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”...
Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service an IdeaPad U460 computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...
IdeaPad U460 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. Make sure that you can stand safely without slipping.
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.
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IdeaPad U460 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.
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.
IdeaPad U460 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.
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.
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IdeaPad U460 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.
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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.
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IdeaPad U460 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.
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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...
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IdeaPad U460 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.
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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.
IdeaPad U460 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.
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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.
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.
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.
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.
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.
IdeaPad U460 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.
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 U460” on page 27. General checkout “Checking...
IdeaPad U460 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.
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.
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.
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.
IdeaPad U460 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: •...
• “Removing and replacing an FRU” on page 33 • “Locations” on page 67 • “Parts list” on page 69 Specifications The following table lists the specifications of the Lenovo IdeaPad U460 : Table 1. Specifications Feature Processor Core Chipset...
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IdeaPad U460 Hardware Maintenance Manual Table 1. Specifications (continued) Feature I/O port MODEM slot Audio Video Ethernet (on the system board) PCI Express Mini Card slot WLAN Bluetooth wireless Keyboard Touch pad Fingerprint reader Integrated camera Battery AC adapter Pre-installed...
To enable or disable the keypad, press and hold the Fn key, and press the F8 (NumLk) key. White: System is enabled. Blinking white: System is in sleep mode. Off: System is in hibernate mode or shut down. Lenovo IdeaPad U460...
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IdeaPad U460 Hardware Maintenance Manual Table 2. Status indicators (continued) Indicator Battery status WLAN Touchpad Fingerprint reader 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.
Open the interface for integrated wireless devices settings (enable/disable). Enable/Disable the touchpad. Enable/Disable the numeric keypad. Activate the pause function. Activate the break function. Enable/Disable the Scroll Lock. Turn on/off the insert input. Activate the system request. Increase/Decrease display brightness. Decrease/Increase volume level. Lenovo IdeaPad U460...
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: •...
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 U460...
IdeaPad U460 Hardware Maintenance Manual 1010 Battery pack DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 1. Removal steps of battery pack Unlock the battery release lever unlocked position When installing: Install the battery pack along the slide rails of the slot.
1020 Dummy card For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 2. Removal steps of dummy card Remove the dummy card in the direction shown by arrows Lenovo IdeaPad U460...
IdeaPad U460 Hardware Maintenance Manual 1030 Hard disk drive (HDD) cover For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 3. Removal steps of HDD cover Loosen the screws and then remove the HDD cover in the direction shown...
Step Screw (quantity) M2.5 × 6 mm, flat-head, nylok-coated (2) When installing: Make sure that the HDD connector is attached firmly. Lenovo IdeaPad U460 , pull the tab in the direction shown by arrow , and Color Torque Black 2.5 kgfcm...
IdeaPad U460 Hardware Maintenance Manual 1050 DIMM cover For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 5. Removal steps of DIMM cover Loosen two screws , and then remove the DIMM cover in the direction shown...
Lenovo IdeaPad U460 1060 DIMM For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1050 DIMM cover” on page 38 Figure 6. Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the...
IdeaPad U460 Hardware Maintenance Manual 1070 PCI Express Mini Card for wireless LAN/WAN For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive (HDD) cover” on page 36 • “1040 Hard disk drive” on page 37 •...
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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 U460...
IdeaPad U460 Hardware Maintenance Manual 1080 Keyboard For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 8. Removal steps of keyboard Remove three screws Step Screw (quantity) Color Torque M2.5 × 6 mm, flat-head, nylok-coated (3) Black 2.5 kgfcm...
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Lenovo IdeaPad U460 Figure 8. Removal steps of keyboard (continued) Lift the keyboard a little, and then detach the connector in the direction shown by arrows . Remove the keyboard in the direction shown by arrow When installing: Make sure that the FPC connector is attached firmly.
IdeaPad U460 Hardware Maintenance Manual 1090 Keyboard bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive (HDD) cover” on page 36 • “1040 Hard disk drive” on page 37 •...
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Lenovo IdeaPad U460 Figure 9. Removal steps of keyboard bezel (continued) Remove three screws Step Screw (quantity) Color Torque M2.5 × 6 mm, flat-head, nylok-coated (3) Black 2.5 kgfcm...
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IdeaPad U460 Hardware Maintenance Manual Figure 9. Removal steps of keyboard bezel (continued) Detach five FPC connectors in the direction shown by arrows speaker connector in the direction shown by arrow When installing: Make sure that all the FPC connectors and the speakers connector are attached firmly.
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Lenovo IdeaPad U460 Figure 9. Removal steps of keyboard bezel (continued) Remove the keyboard bezel in the direction shown by arrow Remove two screws and then remove the speakers in the direction shown by arrows Step Screw (quantity) Color Torque M2.5 ×...
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IdeaPad U460 Hardware Maintenance Manual Figure 9. Removal steps of keyboard bezel (continued) Remove two screws and then remove the power board and OneKey Rescue System button board Step Screw (quantity) Color Torque M1.98 × 3 mm, flat-head, nylok-coated (2) Silver 1.5 kgfcm...
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. . Unplug the LCD connector in the direction shown by Lenovo IdeaPad U460 Color Torque Black...
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IdeaPad U460 Hardware Maintenance Manual Figure 10. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrows...
• “1070 PCI Express Mini Card for wireless LAN/WAN” on page 40 • “1080 Keyboard” on page 42 • “1090 Keyboard bezel” on page 44 • “1100 LCD unit” on page 49 Note: ExpressCard slot assembly is attached to the system board. Lenovo IdeaPad U460...
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IdeaPad U460 Hardware Maintenance Manual Figure 11. Removal steps of system board Remove six screws , and detach the power connector and the bluetooth connector in the direction shown by arrows When installing: Make sure that the power connector and bluetooth connector are attached firmly.
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Lenovo IdeaPad U460 Figure 11. Removal steps of system board Remove the system board in the direction shown by arrow When installing: When attaching the system board to the base cover, adjust the placement of the wireless radio switch as shown in...
IdeaPad U460 Hardware Maintenance Manual 1120 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive (HDD) cover” on page 36 •...
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Figure 12. Removal steps of fan assembly and heat sink assembly (continued) Remove three screws and one screw Step Screw (quantity) With Spring, flat-head, nylok-coated (3) M1.98 × 3, flat-head, nylok-coated (1) Lenovo IdeaPad U460 Color Torque Black 2.5 kgfcm Silver 1.5 kgfcm...
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IdeaPad U460 Hardware Maintenance Manual Figure 12. 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.
Lenovo IdeaPad U460 1130 CPU For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive (HDD) cover” on page 36 • “1040 Hard disk drive” on page 37 •...
IdeaPad U460 Hardware Maintenance Manual 1140 Base cover and bluetooth card For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive (HDD) cover” on page 36 •...
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Lenovo IdeaPad U460 Figure 14. Removal steps of base cover and bluetooth card (continued) Remove the bluetooth card in the direction shown by arrow...
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IdeaPad U460 Hardware Maintenance Manual Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, and need to be put on the new base cover.
Lenovo IdeaPad U460 1150 LCD front bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive (HDD) cover” on page 36 • “1040 Hard disk drive” on page 37 • “1050 DIMM cover” on page 38 •...
IdeaPad U460 Hardware Maintenance Manual 1160 LCD panel, LCD cable and hinges For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive (HDD) cover” on page 36 • “1050 DIMM cover” on page 38 •...
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Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued) Remove twelve screws and remove the hinges in the direction shown by arrows Step Screw (quantity) M1.98 × 3 mm, flat-head, nylok-coated (12) Lenovo IdeaPad U460 Color Silver Torque 1.5 kgfcm...
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IdeaPad U460 Hardware Maintenance Manual Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued) 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 U460 1170 Integrated camera For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive (HDD) cover” on page 36 • “1050 DIMM cover” on page 38 • “1070 PCI Express Mini Card for wireless LAN/WAN” on page 40 •...
IdeaPad U460 Hardware Maintenance Manual 1180 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive (HDD) cover” on page 36 • “1050 DIMM cover” on page 38 •...
Integrated camera Wireless module antennas Built-in microphone Power button System status indicators Note: For the description of each indicator, see “Status indicators” on page 29. Touch sensitive buttons Ambient Light Sensor OneKey Rescue System button Touchpad Fingerprint reader Lenovo IdeaPad U460...
IdeaPad U460 Hardware Maintenance Manual Right-side view Kensington slot AC power adapter jack USB port Microphone jack Headphone jack Integrated wireless device switch Media card slot Bottom and Left-side view eSATA/USB combo port HDMI port RJ-45 port Fan louvers VGA port...
• “Keyboard” on page 77 • “Miscellaneous parts” on page 79 • “AC adapters” on page 80 • “Power cords” on page 81 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. Lenovo IdeaPad U460...
LCD FRUs In Lenovo IdeaPad U460, there are following types of LCDs. • “14.0-in. HD TFT” Lenovo IdeaPad U460...
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IdeaPad U460 Hardware Maintenance Manual 14.0-in. HD TFT Table 6. Parts list—14.0-in. HD TFT No. FRU NIMUA LCD BEZELW/CMOS FUNCTION 14.0 HD LED Panel (4 source), B140XW03 V0 14.0 HD LED Panel (4 source), LP140WH2-TLQ1 14.0 HD LED Panel (4 source), LTN140AT11-L01 14.0 HD LED Panel (4 source), N140B6-L24...
English Bulgaria International English Swiss Slovenian Slovak Icelandic Belgian Sunrex Four Nordic countries Hungarian Hebrew Greek Dutch Czech Japanese Brazilian Lenovo IdeaPad U460 25010479 25010480 25010481 25010482 25010483 25010484 25010485 25010486 25010487 25010488 25010489 25010490 25010491 25010492 25010493 25010494 25010495...
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IdeaPad U460 Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) Sunrex (continued) Arabic German French Russian Traditional Chinese Korean Canadian English&French Latin Portuguese Thai Turkish Spanish Italian U.K. English English 25010463 25010464 25010465 25010466 25010467 25010468 25010469 25010470 25010471 25010472...
• ( i ) NIMUA USB BOARD FFC • ( j ) NIMUA BT CABLE Note: Italicized letters in parentheses are references to the exploded view in “Overall” on page 70 and in “LCD FRUs” on page Lenovo IdeaPad U460 31044629 31044623 31044616...
Power cords A Lenovo IdeaPad power cord for a specific country or region is usually available only in that country or region: Table 10. Parts list—3-pin power cords Region • SSD YD-118-1+IEC53RVV+SSD-3-2B-1 1m • LINETEK PC323+RVV300/300+LS15 1m Argentina • LINETEK LS15+H03VV-F+LP39 1m Danmark •...
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IdeaPad U460 Hardware Maintenance Manual Table 10. Parts list—3-pin power cords (continued) Region Brazil • Longwell LP-46+H03VV-F+LS-18 1m Israel • Longwell LP-41+H03VV-F+LS-18 1m • Longwell LP-30B+SPT-2 18AWG+LS-18 1m • Longwell LP-61L+H03VV-F+LS-18 1m Indian • Longwell LP-67+BIS+LS-18 1m Italy • Longwell LP-22+H03VV-F+LS-18 1m Korea •...
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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...