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Lenovo IdeaPad U300s Hardware Maintenance Manual
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Lenovo IdeaPad U300s Hardware Maintenance Manual

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Summary of Contents for Lenovo IdeaPad U300s

  • Page 1 Lenovo IdeaPad U300/ U300s/U400 Hardware Maintenance Manual...
  • Page 2 “Notices” on page 127. First Edition (Oct. 2011) © Copyright Lenovo 2011. All rights reserved. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No.

  • Page 3: Table Of Contents

    Supervisor password ...24 Power management ... 25 Screen blank mode ...25 Sleep (standby) mode ...25 Hibernation mode ...26 Lenovo IdeaPad U300/U300s/U400 ... 27 Specifications ... 27 Status indicators ... 29 Function key combinations ... 31 FRU replacement notices ... 32 Screw notices ...32...

  • Page 4: About This Manual

    The product-specific section includes service, reference, and product-specific parts information. Important: This manual is intended only for trained servicers who are familiar with Lenovo IdeaPad products. Use this manual to troubleshoot problems effectively. Before servicing a Lenovo IdeaPad product, make sure to read all the information under “Safety information”...

  • Page 5: Safety Information

    Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service an Lenovo IdeaPad U300/U300s/U400 computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...

  • Page 6: General Safety

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: • Observe a good housekeeping in the area where the machines are put during and after the maintenance. • When lifting any heavy object: 1.

  • Page 7: Electrical Safety

    Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges.
  • Page 8 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with the reflective surface of a plastic dental mirror.

  • Page 9: Safety Inspection Guide

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo IdeaPad alterations. Use good judgment as to the safety of any non-Lenovo IdeaPad alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.

  • Page 10: Handling Devices That Are Sensitive To Electrostatic Discharge

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.

  • Page 11: Safety Notices: Multilingual Translations

    Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the computer.
  • Page 12 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short- circuit it. Dispose of the battery as required by local ordinances or regulations.
  • Page 13 Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack.
  • Page 14 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations.
  • Page 15 Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing. Si le panneau d’affichage à...
  • Page 16 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation.
  • Page 17 Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie et déconnectez tous les cordons d’interface.

  • Page 18: Laser Compliance Statement

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo IdeaPad computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.S.
  • Page 19 A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.

  • Page 20: Important Service Information

    To download software fixes, drivers, and BIOS, follow the steps below: 1. Go to http://consumersupport.lenovo.com/. 2. Enter a serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download. 4. Follow the directions on the screen and install the necessary software.

  • Page 21: Strategy For Replacing A Hard Disk Drive

    Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. • Some computers have both a processor board and a system board. If you are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall that board, and then replace the other one.

  • Page 22: Important Information About Replacing Rohs Compliant Frus

    FRU part numbers. Lenovo plans to transit to RoHS compliance well before the implementation date and expects its suppliers to be ready to support Lenovo’s requirements and schedule in the EU. Products sold in 2005 and 2006 will contain some RoHS compliant FRUs.

  • Page 23: General Checkout

    General checkout This chapter presents the following information: • “What to do first” on page 20 • “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service the computer. • Before replacing any FRU, read the entire page on removing and replacing FRUs.

  • Page 24: What To Do First

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2.

  • Page 25: Power System Checkout

    To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer. “Lenovo IdeaPad U300/U300s/U400” on General checkout “Checking...
  • Page 26 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack.

  • Page 27: Related Service Information

    OneKey Rescue System.In order to save application files and the initial backed up files of the system, the hard disk in a Lenovo computer includes a hidden partition when it is shipped. If you need to restore the system to the point of your first boot up, just enter Lenovo OneKey Rescue System and run Restore to factory default.

  • Page 28: Passwords

    Note: Passwords As many as two passwords may be needed for any Lenovo IdeaPad computer: the power-on password (POP) and the supervisor password (SVP). If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on.

  • Page 29: Power Management

    Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank mode If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.

  • Page 30: Hibernation Mode

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the hard disk. • The system is powered off. To cause the computer to enter hibernation mode, follow the steps below: •...

  • Page 31: Lenovo Ideapad U300/U300S/U400

    • “FRU replacement notices” on page 32 • “Removing and replacing an FRU” on page 33 • “Locations” on page 98 • “Parts list” on page 101 Specifications The following table lists the specifications of the Lenovo IdeaPad U300/ U300s/U400 : Table 1. Specifications Feature Processor...
  • Page 32 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 1. Specifications (continued) Feature I/O port MODEM slot Audio Ethernet (on the system board) PCI Express Mini Card slot Bluetooth wireless Keyboard Touch pad Integrated camera Battery AC adapter Pre-installed operating system Description •...

  • Page 33: Status Indicators

    Status indicators The system status indicators below show the computer status: Table 2. Status indicators Indicator Power on Lenovo IdeaPad U300/U300s/U400 Meaning White: System is enabled. Blinking white: System is in sleep mode. Off: System is in hibernate mode or shut down.
  • Page 34 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 2. Status indicators (continued) Indicator Battery status Caps lock Meaning Blinking amber: (500ms off/1s on) The remaining power of the battery is less than 5% of its capacity. Blinking amber: (100ms off/3.2s on) The battery is being charged with the remaining power between 5% and 20% of its capacity.

  • Page 35: Function Key Combinations

    Fn + PgUp: Fn + PgDn: Table 4. Hotkey Note: In the Hotkey mode, press Fn + F1~F12 to achieve the functions of F1~F12. Lenovo IdeaPad U300/U300s/U400 Description pop-up CD/DVD disk (U400 only). Activate the pause function. Activate the break function.

  • Page 36: Fru Replacement Notices

    This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo IdeaPad computer, this problem is addressed with special nylon-coated screws that have the following characteristics: •...

  • Page 37: Removing And Replacing An Fru

    Attention: The system board is sensitive to, and can be damaged by, electrostatic discharge. Before touching it, establish personal grounding by touching a ground point with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to remove potential shock reasons. Lenovo IdeaPad U300/U300s/U400...

  • Page 38: U300

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U300 1010 Base cover (U300) Note: Turn off the computer first. Otherwise, it may cause permanent damage to the computer. Figure 1. Removal steps of base cover Open the rubbers and remove two screws...
  • Page 39 FCC labels, find duplicates of them in the label kit and apply them to the new base cover. For the location of each label, refer to the following figure: Lenovo IdeaPad U300/U300s/U400...

  • Page 40: 1020 Battery Pack (U300)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1020 Battery pack (U300) For access, remove this FRU: • “1010 Base cover (U300)” on page 34 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode.

  • Page 41: 1030 Hard Disk Drive (U300)

    Lift the HDD a little, detach the HDD connector in the direction shown by arrow , and then remove the hard disk drive from the slot in the direction shown by arrow When installing: Make sure that the HDD connector is attached firmly. Lenovo IdeaPad U300/U300s/U400...

  • Page 42: 1040 Dimm (U300)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1040 DIMM (U300) For access, remove these FRUs in order: • “1010 Base cover (U300)” on page 34 • “1020 Battery pack (U300)” on page 36 Figure 4. Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the...

  • Page 43: 1050 Pci Express Mini Card For Wireless Lan (U300)

    Lenovo IdeaPad U300/U300s/U400 1050 PCI Express Mini Card for wireless LAN (U300) For access, remove these FRUs in order: • “1010 Base cover (U300)” on page 34 • “1020 Battery pack (U300)” on page 36 • “1030 Hard disk drive (U300)” on page 37 Figure 5.
  • Page 44 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 5. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow When installing: • In models with a wireless LAN card that has two antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) (AUX) into jack labeled 2 on the card.

  • Page 45: 1060 Fan Assembly And Heat Sink Assembly (U300)

    When installing: Make sure that the fan connector is attached firmly to the system board. Step Screw (quantity) M2 × 3 mm, flat-head, nylok-coated (4) M2 × 4 mm, flat-head, nylok-coated (4) Lenovo IdeaPad U300/U300s/U400 , remove four Color Torque White 1.5 ± 0.2 kgfcm Black 1.5 ±...
  • Page 46 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 6. Removal steps of fan assembly and heat sink assembly (continued) Lift the fan assembly and heat sink assembly in the direction shown by arrow Be careful not to damage the connector. Attention: Do not handle the heat sink assembly roughly. Improper handling can cause distortion or deformation and imperfect contact with components.

  • Page 47: 1070 System Board (U300)

    • “1020 Battery pack (U300)” on page 36 • “1030 Hard disk drive (U300)” on page 37 • “1050 PCI Express Mini Card for wireless LAN (U300)” on page 39 • “1060 Fan assembly and Heat Sink assembly (U300)” on page 41 Lenovo IdeaPad U300/U300s/U400...

  • Page 48: Removal Steps Of System Board

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 7. Removal steps of system board Detach eight connectors on system board in the direction shown by arrows . Remove six screws When installing: Make sure that all the connectors are attached firmly.
  • Page 49 Lenovo IdeaPad U300/U300s/U400 Figure 7. Removal steps of system board (continued) Lift the system board in the direction shown by arrow . Detach the keyboard connector under system board in the direction shown by arrows .Then remove the system board.

  • Page 50: 1080 Speakers And Microphone (U300)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1080 Speakers and microphone (U300) For access, remove these FRUs in order: • “1010 Base cover (U300)” on page 34 • “1020 Battery pack (U300)” on page 36 • “1030 Hard disk drive (U300)” on page 37 •...
  • Page 51 Lenovo IdeaPad U300/U300s/U400 Figure 8. Removal steps of the speakers and microphone (continued) Remove the microphone in the direction shown by arrow When installing: Make sure that the microphone connector is attached firmly.

  • Page 52: 1090 Lcd Unit (U300)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1090 LCD unit (U300) For access, remove these FRUs in order: • “1010 Base cover (U300)” on page 34 • “1020 Battery pack (U300)” on page 36 • “1030 Hard disk drive (U300)” on page 37 •...
  • Page 53 Make sure that the LCD connector is attached firmly and make sure that you do not pinch the antenna cables when you attach the LCD assembly. Route the LCD cable along the cable guides. Remove the LCD unit in the direction shown by arrows Lenovo IdeaPad U300/U300s/U400 Color Black Torque...

  • Page 54: 1100 Keyboard And Keyboard Bezel (U300)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1100 Keyboard and keyboard bezel (U300) For access, remove these FRUs in order: • “1010 Base cover (U300)” on page 34 • “1020 Battery pack (U300)” on page 36 • “1030 Hard disk drive (U300)” on page 37 •...
  • Page 55 Lenovo IdeaPad U300/U300s/U400 Figure 10. Removal steps of keyboard and keyboard bezel (continued) Remove two screws , release the power button in the direction shown by arrows Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylok-coated (2) Black...
  • Page 56 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 10. Removal steps of keyboard and keyboard bezel (continued) Remove the system status indicators board in the direction shown by arrow Remove two screws direction shown by arrow Step and one screw Screw (quantity) M2 ×...
  • Page 57 Lenovo IdeaPad U300/U300s/U400 Figure 10. Removal steps of keyboard and keyboard bezel (continued) Remove four screws , then remove two brackets in the direction shown by arrows Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylok-coated (4) Black...

  • Page 58: U300S

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U300s 1010 Base cover (U300s) Note: Turn off the computer first. Otherwise, it may cause permanent damage to the computer. Figure 1. Removal steps of base cover Open the rubbers and remove two screws...
  • Page 59 FCC labels, find duplicates of them in the label kit and apply them to the new base cover. For the location of each label, refer to the following figure: Lenovo IdeaPad U300/U300s/U400...

  • Page 60: 1020 Battery Pack (U300S)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1020 Battery pack (U300s) For access, remove this FRU: • “1010 Base cover (U300s)” on page 54 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode.

  • Page 61: 1030 Speakers (U300S)

    Lenovo IdeaPad U300/U300s/U400 1030 Speakers (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 Figure 3. Removal steps of speakers Detach two speakers connectors in the direction shown by arrow .

  • Page 62: 1040 Solid State Disk (U300S)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1040 Solid State Disk (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 Attention: • Do not drop the solid state disk or apply any physical shock to it.

  • Page 63: 1050 Usb Board (U300S)

    Lenovo IdeaPad U300/U300s/U400 1050 USB Board (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 Figure 5. Removal steps of USB board...

  • Page 64: 1060 Keyboard And Keyboard Bezel (U300S)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1060 Keyboard and keyboard bezel (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 •...
  • Page 65 Lenovo IdeaPad U300/U300s/U400 Figure 6. Removal steps of keyboard and keyboard bezel (continued) Detach the microphone connector and touch pad connector in the direction shown by arrows , then remove six screws 2 3 4 Step Screw (quantity) Color Torque M2 ×...
  • Page 66 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 6. Removal steps of keyboard and keyboard bezel (continued) Remove the keyboard and keyboard bezel Remove two screws and then remove the power button board in the direction shown by arrow Step Screw (quantity)
  • Page 67 Lenovo IdeaPad U300/U300s/U400 Figure 6. Removal steps of keyboard and keyboard bezel (continued) Remove the Minnie microphone board and LED board in the direction shown by arrows...

  • Page 68: 1070 Pci Express Mini Card For Wireless Lan (U300S)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1070 PCI Express Mini Card for wireless LAN (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 •...
  • Page 69 In models with a wireless LAN card that has three antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) into jack labeled 3, and the white cable (2nd) (AUX) into jack labeled 2 on the card. Lenovo IdeaPad U300/U300s/U400...

  • Page 70: 1080 Lcd Unit (U300S)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1080 LCD unit (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 •...
  • Page 71 Lenovo IdeaPad U300/U300s/U400 Figure 8. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrow...

  • Page 72: 1090 Dimm (U300S)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1090 DIMM (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 • “1040 Solid State Disk (U300s)” on page 58 •...

  • Page 73: 1100 Fan Assembly And Heat Sink Assembly (U300S)

    Lenovo IdeaPad U300/U300s/U400 1100 Fan assembly and Heat Sink assembly (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 •...
  • Page 74 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 10. Removal steps of fan assembly and heat sink assembly (continued) When installing: Make sure that the fan connector is attached firmly to the system board. Step Lift the fan assembly and heat sink assembly in the direction shown by arrows .
  • Page 75 Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, to the too much or too less grease application can cause a thermal problem due to imperfect contact with a component. Lenovo IdeaPad U300/U300s/U400 part shown in the figure above. Either...

  • Page 76: 1110 System Board (U300S)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1110 System board (U300s) Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
  • Page 77 When installing: Make sure that the power connector is attached firmly. Step Screw (quantity) M2 × 3 mm, flat-head, nylok-coated (4) Remove the IO board in the direction shown by arrow Lenovo IdeaPad U300/U300s/U400 Color Black Torque 1.5 ± 0.2 kgfcm...

  • Page 78: U400

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U400 1010 Base cover (U400) Note: Turn off the computer first. Otherwise, it may cause permanent damage to the computer. Figure 1. Removal steps of base cover Open the rubbers and remove two screws...
  • Page 79 FCC labels, find duplicates of them in the label kit and apply them to the new base cover. For the location of each label, refer to the following figure: Lenovo IdeaPad U300/U300s/U400...

  • Page 80: 1020 Battery Pack (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1020 Battery pack (U400) For access, remove this FRU: • “1010 Base cover (U400)” on page 74 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode.

  • Page 81: 1030 Hard Disk Drive (U400)

    M2 × 2.5 mm, flat-head, nylok-coated (2) When installing: Make sure that the HDD connector is attached firmly. Lenovo IdeaPad U300/U300s/U400 , lift the HDD a little. Detach the HDD connector in the , and then remove the hard disk drive from the slot...

  • Page 82: 1040 Pci Express Mini Card For Wireless Lan (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1040 PCI Express Mini Card for wireless LAN (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 Figure 4. Removal steps of PCI Express Mini Card for wireless LAN...
  • Page 83 In models with a wireless LAN card that has three antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) into jack labeled 3, and the white cable (2nd) (AUX) into jack labeled 2 on the card. Lenovo IdeaPad U300/U300s/U400...

  • Page 84: 1050 System Board (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1050 System board (U400) Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
  • Page 85 Step Screw (quantity) M2 × 6 mm, flat-head, nylok-coated (4) M2 × 2.5 mm, flat-head, nylok-coated (3) Remove the system board in the direction shown by arrow Lenovo IdeaPad U300/U300s/U400 . Detach seven connectors in the Color Black Black Torque 1.6 ±...

  • Page 86: 1060 Usb Board And Hdd Board (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1060 USB board and HDD board (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...
  • Page 87 USB board Step Screw (quantity) M2 × 6 mm, flat-head, nylok-coated (1) M2 × 2.5 mm, flat-head, nylok-coated (2) When installing: Make sure the connectors are attached firmly. Lenovo IdeaPad U300/U300s/U400 Color Black Black Torque 1.6 ± 0.24 kgfcm...

  • Page 88: 1070 Speakers And Microphone (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1070 Speakers and microphone (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...
  • Page 89 Lenovo IdeaPad U300/U300s/U400 Figure 7. Removal steps of speakers and microphone (continued) Remove the microphone in the direction by arrow When installing: Make sure that the speakers connector and microphone connector are attached firmly.

  • Page 90: 1080 Optical Drive (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1080 Optical drive (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...

  • Page 91: 1090 Lcd Unit (U400)

    Make sure that the LCD connector is attached firmly and make sure that you do not pinch the antenna cables when you attach the LCD assembly. Route the LCD cable along the cable guides. Lenovo IdeaPad U300/U300s/U400 Color Torque Black...
  • Page 92 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 9. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrows...

  • Page 93: 1100 Keyboard And Keyboard Bezel (U400)

    Lenovo IdeaPad U300/U300s/U400 1100 Keyboard and keyboard bezel (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...

  • Page 94: 1110 Fan Assembly And Heat Sink Assembly (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1110 Fan assembly and Heat Sink assembly (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...
  • Page 95 Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, to the too much or too less grease application can cause a thermal problem due to imperfect contact with a component. Lenovo IdeaPad U300/U300s/U400 part shown in the figure above. Either...

  • Page 96: 1120 Dimm (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1120 DIMM (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...

  • Page 97: 1130 Lcd Front Bezel (U400)

    Lenovo IdeaPad U300/U300s/U400 1130 LCD front bezel (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...

  • Page 98: 1140 Lcd Panel, Hinges And Lcd Cable (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1140 LCD panel, hinges and LCD cable (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...
  • Page 99 Note: The LCD cables are attached to the LCD panel by a metal connector. Peel off the adhesive tape and detach the connector in the direction shown by arrow When installing: Make sure that the metal connector is attached firmly. Lenovo IdeaPad U300/U300s/U400 Color Torque Black...

  • Page 100: 1150 Integrated Camera (U400)

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1150 Integrated camera (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...

  • Page 101: 1160 Antenna Assembly And Lcd Cover (U400)

    Lenovo IdeaPad U300/U300s/U400 1160 Antenna assembly and LCD cover (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 •...

  • Page 102: Locations

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Locations Note: The illustrations used in this section are of the Lenovo ideapad U400, unless otherwise stated. Front view Integrated camera (Select models only) Wireless module antennas (Select models only) Power button System status indicators Note: For the description of each indicator, see “Status indicators”...

  • Page 103: Right-Side View

    Right-side view USB port HDMI port RJ-45 port Headphone mic combo jack AC power adapter jack Optical drive Built-in microphone U300 U300s U400 Lenovo IdeaPad U300/U300s/U400...

  • Page 104: Bottom And Left-Side View

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Bottom and Left-side view OneKey Rescue system button USB port Headphone mic combo jack Fan louvers RJ-45 port Base cover Built-in microphone U300 U300s U400...

  • Page 105: Parts List

    • “Keyboard” on page 113 • “Miscellaneous parts” on page 116 • “AC adapters” on page 118 • “Power cords” on page 119 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. Lenovo IdeaPad U300/U300s/U400...

  • Page 106: Overall

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Overall U300...
  • Page 107 On Board DDRIII 1333 2GB, K4B2G1646C-HCH9/K0 On Board DDRIII 1333 2GB, H5TQ2G63BFR(Vega/44nm) On Board DDRIII 1333 4GB, EDJ4216BASE-DJ-F(40nm) (CS:Now) On Board DDRIII 1333 4GB, TBD(CS:Q2,11) On Board DDRIII 1333 4GB, H5TQ4G63MFR(Gemma/38nm)(CS:Q2,11/MP:Q3,11) Lenovo IdeaPad U300/U300s/U400 FRU no. 11014115 31052169 31052170 31052176 11014114...
  • Page 108 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 5. Parts list—Overall (continued) No. FRU WiFi 1x1 BGN, Intel 1000N MOW M PCIE NB HMC WiFi 2x2 BGN+BT, Cbt BCM43225HMB BGN+BT HMC WiFi 2x2 BGN+BT, Liteon WB197 BGN+BT HMC 59WH 2S2P 8060mAh,Polymer, U3 SMP/ATL L10M4P11...
  • Page 109 U300s Lenovo IdeaPad U300/U300s/U400...
  • Page 110 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 6. Parts list—Overall No. FRU See “Miscellaneous parts” on page 116. Panel, 13.3", N133BGE-M41 HD G LED1 NB panel MINNIE Upper Case Gray W/KB-AR MINNIE Upper Case Gray W/KB-BE MINNIE Upper Case Gray W/KB-BG...
  • Page 111 MINNIE USB Board Black 57WH 4S1P 3890mAh Polymer, U3s SMP/ATL L10M4P12 4S1P 57Wh bty MINNIE Lower Case MINNIE Lower Case Black — AC adapter (see “AC adapters” on page 118). Lenovo IdeaPad U300/U300s/U400 FRU no. 31052187 11014124 31052201 31052203 31052204...
  • Page 112 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U400...
  • Page 113 WiFi 2x2 BGN+BT, Liteon WB197 BGN+BT HMC WD WD5000BPVT-24HXZ 5400RPM 500G HDD Seagate ST9500325AS 500G 9NB HDD HT HTS547550A9E384 5400RPM 500G HDD Toshiba MK5065GSX 5400RPM 500G HDD HGST HTS545050A7E380 5400PRM7mm 500G HDD Lenovo IdeaPad U300/U300s/U400 FRU no. 31052386 31052387 31052388 31052161...
  • Page 114 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 7. Parts list—Overall (continued) No. FRU WD WD7500BPVT-24HXZ 5400RPM 750G Toshiba MK7575GSX 5400RPM 750G HDD HT HTS547575A9E384 5400RPM 750G HDD Seagate ST9750423AS 5400RPM 750G HDD Seagate ST9500423AS 7200RPM 500G HDD Hitachi HTS727550A9E364 7200RPM 500G HDD...

  • Page 115: Lcd Frus

    LCD FRUs In Lenovo IdeaPad U400, there are following types of LCDs. • “14.0-in. HD TFT” Lenovo IdeaPad U300/U300s/U400...
  • Page 116 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 14.0-in. HD TFT Table 8. Parts list—14.0-in. HD TFT No. FRU LU47 LCD Bezel Rubber Dark-Gray LU47 LCD Bezel W/Camera Hole Light-Gray Panel, 14.0", AUO, B140XW03 V0 Panel, 14.0", CMI, N140BGE-L41 Panel, 14.0", LGD, LP140WH2-TLQ1 Panel, 14.0", SEC, LTN140AT20-L01...

  • Page 117: Keyboard

    JMET3SUS84keyBLKKeyKBD DFT3SCZSK85keyBLKKeyKBD DFT3SBulgarian85keyBLKKeyKBD DFT3SUI84keyBLKKeyKBD DFT3SSwiss85keyBLKKeyKBD DFT3SSLN85keyBLKKeyKBD DFT3SIceland85keyBLKKeyKBD DFT3SBelgian85keyBLKKeyKBD Darfon (U300/ DFT3SNordic85keyBLKKeyKBD U300s) DFT3SHungarian85keyBLKKeyKBD DFT3SHebrewB84keyBLKKeyKBD DFT3SGreek84keyBLKKeyKBD DFT3SDutch85keyBLKKeyKBD DFT3SJapan88keyBLKKeyKBD DFT3SBrazil85keyBLKKeyKBD DFT3SArabic84keyBLKKeyKBD Lenovo IdeaPad U300/U300s/U400 25200278 25200277 25200276 25200275 25200274 25200273 25200272 25200271 25200270 25200269 25200268 25200267 25200266 25200265 25200264 25200263 25200262 25200261...
  • Page 118 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 9. Parts list—Keyboard (continued) Darfon (U300/ U300s) Sunrex (U400) Darfon (U400) DFT3SGerman85keyBLKKeyKBD DFT3SFrench85keyBLKKeyKBD DFT3SRussian84keyBLKKeyKBD DFT3STC84keyBLKKeyKBD DFT3SKorean84keyBLKKeyKBD DFT3SENCanada85keyBLKKeyKBD DFT3SLatinSPA85keyBLKKeyKBD DFT3SPortuguese85keyBLKKeyKBD DFT3SThai84keyBLKKeyKBD DFT3STurkish85keyBLKKeyKBD DFT3SSpanish85keyBLKKeyKBD DFT3SItalian85keyBLKKeyKBD DFT3SUK85keyBLKKeyKBD DFT3SUS84keyBLKKeyKBD JMET3S7CZSK85keyBLKKeyKBD JMET3S7TC84keyBLKKeyKBD JMET3S7Russian84keyBLKKeyKBD JMET3S7French85keyBLKKeyKBD JMET3S7German85keyBLKKeyKBD JMET3S7Arabic84keyBLKKeyKBD JMET3S7Brazil85keyBLKKeyKBD JMET3S7Japan88keyBLKKeyKBD...
  • Page 119 DFT3S7Japan88keyBLKKeyKBD DFT3S7Brazil85keyBLKKeyKBD DFT3S7Arabic84keyBLKKeyKBD DFT3S7German85keyBLKKeyKBD Darfon (U400) DFT3S7French85keyBLKKeyKBD DFT3S7Russian84keyBLKKeyKBD DFT3S7TC84keyBLKKeyKBD DFT3S7Korean84keyBLKKeyKBD DFT3S7ENCanada85keyBLKKeyKBD DFT3S7LatinSPA85keyBLKKeyKBD DFT3S7Portuguese85keyBLKKeyKBD DFT3S7Thai84keyBLKKeyKBD DFT3S7Turkish85keyBLKKeyKBD DFT3S7Spanish85keyBLKKeyKBD DFT3S7Italian85keyBLKKeyKBD DFT3S7UK85keyBLKKeyKBD DFT3S7US84keyBLKKeyKBD Lenovo IdeaPad U300/U300s/U400 25200245 25200244 25200243 25200242 25200241 25200240 25200239 25200238 25200237 25200236 25200235 25200234 25200233 25200232 25200231 25200230 25200229 25200228...

  • Page 120: Miscellaneous Parts

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Miscellaneous parts U300 Table 10. Parts list—Miscellaneous parts System miscellaneous parts: • ( a ) MICKEY Frame left • ( b ) MICKEY Frame Right Cable miscellaneous parts: • ( c ) MICKEY TouchPad Cable •...
  • Page 121 • ( m ) LU47 IO Board Cable2 7PIN • ( n ) LU47 HDD Board Cable Note: Italicized letters in parentheses are references to the exploded view in “Overall” on page 102 . Lenovo IdeaPad U300/U300s/U400 31052162 31052034 31052032...

  • Page 122: Ac Adapters

    Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual AC adapters Table 13. Parts list—AC adapters 65W, Delta ADP-65KH BD 20V/3.25A Adapter 65W, Liteon PA-1650-56LC20V3.25A Adapter 65W, Brazil PA-1650-52LB Adapter 65W, Chicony CPA-A065 20V3.25A Adapter(330PF) Slim 65W, Delta 20V3.25A (slim)(U300/U300s) Slim 65W, LITEON 20V3.25A (slim)(U300/U300s) Slim 65W 3pin, Delta 3pin ADP-65XB B 20V/3.25A Adapter (U400) 36200043...

  • Page 123: Power Cords

    Power cords A Lenovo IdeaPad power cord for a specific country or region is usually available only in that country or region: U300/U300s Table 14. Parts list—3-pin power cords Region CCC 3PIN • SSD YD-118-1+IEC53RVV+SSD-3-2B-1 1m CCC 3PIN • LINETEK PC323+RVV300/300+LS15 1m Argentina 3PIN •...
  • Page 124 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 14. Parts list—3-pin power cords (continued) Region Indian 3PIN • VOLEX IA6A3+IS694+VAC5S 1m Switzerland 3PIN • VOLEX MP232+H03VV-F+VAC5S 1m Italy 3PIN • VOLEX IT10S3+HO3VV-F+VAC5S 1m Denmark 3PIN • VOLEX MP233D+H03VV-F+VAC5S 1m Korea 3PIN •...
  • Page 125 • Longwell LP-486+KTLH03VV-F+LS-5 1m Australia 3PIN • Longwell LP-23A+LFC-3R+LS-18 1m Taiwan3PIN • Longwell LP-71+VCTF+LS-33 1m Japan 3PIN • Longwell LP-54+VCTF+LS-18 1m Africa 3PIN • Longwell LP-39+H03VV-F+LS-18 1m CE 3PIN • Longwell LP-34A+H03VV-F+LS-18 1m Lenovo IdeaPad U300/U300s/U400 145000558 145000557 145000556 145000555 145000554 145000553...
  • Page 126 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 15. Parts list—2-pin power cords Region CCC 2PIN • 1m power cord Argentina 2PIN • 1m power cord Danmark 2PIN • 1m power cord Switzerland 2PIN • 1m power cord Brazil 2PIN • 1m power cord Israel 2PIN •...
  • Page 127 • 1m power cord Korea 2PIN • 1m power cord Australia 2PIN • 1m power cord Taiwan2PIN • 1m power cord Japan 2PIN • 1m power cord Africa 2PIN • 1m power cord CE 2PIN • 1m power cord Lenovo IdeaPad U300/U300s/U400...
  • Page 128 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U400 Table 16. Parts list—3-pin power cords Region India 3pin • VOLEX IA6A3+IS694+VAC5S 1m Japan 3pin • LINETEK LS15+VCTF+LP-54 1m Japan 3pin • Longwell LP-54+VCTF+LS-18 1m Japan 3pin • VOLEX VAC5S+VCTF+M755 1m ANZ 3pin •...
  • Page 129 • LINETEK LP61L+H03VVH2-F+ LS7H 1m Indian 2pin • LINETEK LP28+IS:694 0.75/2C+ LS7H 1m Korea 2pin • LINETEK LPE03A+H03VVH2-F+LS7 1m Australia 2pin • LINETEK LP15A+H03VVH2-F+LS7 1m Taiwan 2pin • LINETEK LP51A+VCTFK 0.75/2C+LS7J 1m Lenovo IdeaPad U300/U300s/U400 145000595 145000563 145000526 145000597 145000565 145000524 145000598 145000566...
  • Page 130 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 17. Parts list—2-pin power cords Region Japan 2pin • LINETEK LP51A+HVCTFK 0.75/2C+LS7J 1m Africa 2pin • LINETEK PE364("O")+H03VVH2-F+LS7H 1m CE 2pin • LINETEK LP21+H03VVH2-F+ LS7 1m 145500026 145500024 145500022...

  • Page 131: Notices

    The result obtained in other operating environments may vary. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.

  • Page 132: Trademarks

    Actual results may vary. Users of this document should verify the applicable data for their specific environment. Trademarks The following terms are either registered trademarks or trademarks of Lenovo in the United States and/or other countries: Lenovo Lenovo logo...

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