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Lenovo ThinkPad E450 Hardware Maintenance Manual
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Lenovo ThinkPad E450 Hardware Maintenance Manual

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Hardware Maintenance Manual
ThinkPad E450, E455, and E450c

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  • Page 1 Hardware Maintenance Manual ThinkPad E450, E455, and E450c...
  • Page 2 Appendix A “Notices” on page 93. Fourth Edition (July 2015) © Copyright Lenovo 2014, 2015. 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. GS-35F-05925.

  • Page 3: Table Of Contents

    Checkout guide ....Sleep mode ....Lenovo Solution Center ..Hibernation mode .
  • Page 4 ....1010 Lenovo OneLink connector cover ..1020 DIMM door ....

  • Page 5: About This Manual

    Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety information” on page 1 and Chapter 2 “Important service information” on page 19. © Copyright Lenovo 2014, 2015...
  • Page 6 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    Do not use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2014, 2015...

  • Page 8: Safety Inspection Guide

    • Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical accident occurs, you can then operate the switch or unplug the power cord quickly. • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. •...

  • Page 9: Handling Devices That Are Sensitive To Electrostatic Discharge

    0.1 ohm or less between the external ground pin and the frame ground. b. The power cord should be the authorized type specified for your computer. Go to: http://www.lenovo.com/serviceparts-lookup c. Insulation must not be frayed or worn. 4. Check for cracked or bulging batteries.

  • Page 10: Grounding Requirements

    – When working on a double-insulated or battery-operated system, use an ESD common ground or reference point. You can use coax or connector-outside shells on these systems. – Use the round ground prong of the ac plug on ac-operated computers. Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function.
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO DANGER Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Hardware Maintenance Manual...

  • Page 25: Chapter 2. Important Service Information

    UEFI BIOS downloads. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone • System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovo authorized service technicians are available in the following support site: http://www.lenovoservicetraining.com/ion/...

  • Page 26: Important Notice For Replacing A System Board

    Dynamic Configure To Order (CTO) This model provides the ability for a customer to configure a Lenovo solution from a web site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model and 2-character country code.

  • Page 27: Fru Identification

    20AA0009UK). FRU identification Use Lenovo eSupport to identify major FRUs, FRU part numbers, and FRU descriptions for a product at an MT - serial number level. Examples of major FRUs are hard disk drive, system board, liquid crystal display (LCD), and memory module.
  • Page 28 Hardware Maintenance Manual...

  • Page 29: Chapter 3. General Checkout

    This chapter introduces following information: • “What to do first” on page 23 • “Checkout guide” on page 24 – “Lenovo Solution Center” on page 24 – “Quick test programs” on page 24 – “UEFI diagnostic program” on page 25 –...

  • Page 30: Checkout Guide

    The Lenovo Solution Center program is available for download at http://www.lenovo.com/diags. To run the Lenovo Solution Center program, go to Control Panel and click System and Security ➙ Lenovo - System Health and Diagnostics, and then follow the instructions on the screen.

  • Page 31: Uefi Diagnostic Program

    • Microsoft Windows Server 2003 • Microsoft Windows Server 2008 To download and install a quick test program, go to http://www.lenovo.com/diags, and follow the instructions on the Web site. To run a test using quick test program, do the following: 1.

  • Page 32: Power System Checkout

    To create a bootable diagnostic medium, do the following: 1. Go to http://www.lenovo.com/diags. 2. Click Lenovo Bootable Diagnostics. 3. Follow the instructions on the Web site to create a bootable diagnostic medium on a USB device or CD. To use the diagnostic medium you have created, do one of the following: •...

  • Page 33: Checking The Ac Power Adapter

    This computer supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries designed for other systems. If an unauthorized battery or a battery designed for another systems is installed, the system will not charge.

  • Page 34: Checking The Coin-Cell Battery

    Checking the coin-cell battery To check the coin-cell battery, do the following: 1. Disconnect the battery connector. See “Disconnect the battery” on page 64. 2. Remove the coin-cell battery. See “1060 Coin-cell battery” on page 68. 3. Measure the voltage of the coin-cell battery. See the following illustration. Wire Voltage (V dc) +2.5 to +3.2...

  • Page 35: Chapter 4. Related Service Information

    “Symptom-to-FRU index” on page 43 Service Web site: When the latest maintenance diskette and the system program service diskette become available, they will be posted on http://www.lenovo.com/support Restoring the factory contents by using the Recovery Disc Set When the main storage drive is replaced because of a failure, no product recovery program is on the new drive.

  • Page 36: Recovery Overview For The Windows 7 Operating System

    Note: After restoring a drive to the factory default settings, you might need to reinstall some device drivers. Recovery overview for the Windows 7 operating system This section provides information about the recovery solutions provided by Lenovo on the Windows 7 operating system.

  • Page 37: Creating And Using A Recovery Media

    This section provides instructions on how to create recovery media. Note: You can create recovery media using discs or external USB storage devices. To create recovery media, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Factory Recovery Disks. Then, follow the instructions on the screen.

  • Page 38: Using The Rescue And Recovery Workspace

    This section provides instructions on how to perform a backup operation using the Rescue and Recovery program. 1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens.

  • Page 39: Creating And Using A Rescue Medium

    Creating a rescue medium This section provides instructions on how to create a rescue medium. 1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens.

  • Page 40: Reinstalling Preinstalled Applications And Device Drivers

    3. Click the Create Rescue Media icon. The Create Rescue and Recovery Media window opens. 4. In the Rescue Media area, select the type of the rescue medium you want to create. You can create a rescue medium using a disc or a USB hard disk drive. 5.

  • Page 41: Solving Recovery Problems

    1. Turn on your computer. 2. Go to the C:\SWTOOLS directory. 3. Open the DRIVERS folder. Within the DRIVERS folder are several subfolders named for the various devices installed in your computer (for example, AUDIO and VIDEO). 4. Open the subfolder for the device. 5.

  • Page 42: Resetting Your Computer To The Factory Default Settings

    Attention: If you refresh your computer, the programs that came with your computer and the programs that you installed from Windows Store will be reinstalled, but all other programs will be removed. 1. Move your pointer to the top-right or bottom-right corner of the screen to display the charms. Click Settings ➙...

  • Page 43: Creating And Using Recovery Media

    Creating and using recovery media You can create recovery media as backups for the Windows recovery environment and the Windows recovery image. If you cannot start the computer, you can use recovery media to troubleshoot and fix the problems on your computer. It is recommended that you create recovery media as early as possible.

  • Page 44: Recovery Overview For The Windows 10 Operating System

    3. Select a preferred language and then select a preferred keyboard layout. 4. Click Troubleshoot to display the optional recovery solutions. 5. Select a corresponding recovery solution according to your situation. For example, select Reset your PC if you want to reset your computer to the factory default settings. For more information about the recovery solutions provided by the Windows 8.1 operating system, go to: http://go.microsoft.com/fwlink/?LinkID=263800 Recovery overview for the Windows 10 operating system...

  • Page 45: Creating And Using A Recovery Usb Drive

    Note: Ensure that your computer is connected to ac power during the recovery process. Creating and using a recovery USB drive You can create a recovery USB drive as a backup for the Windows recovery programs. With the recovery USB drive, you can troubleshoot and fix the problems even if the preinstalled Windows recovery programs are damaged.

  • Page 46: Power-On Password

    If it has, it can be used for access to the hard disk drive. If no master hard disk password is available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master hard disk password, or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee.

  • Page 47: How To Remove The Hard Disk Password

    To put the system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to replace the hard disk drive, hybrid drive, or solid-state drive with a scheduled fee.

  • Page 48: Hibernation Mode

    • The hard disk drive, hybrid drive, or solid-state drive is powered off. • The microprocessor stops. To put your computer into sleep mode, do the following: • For Windows 7: Open the Start menu, then click the arrow next to the Shut down button. Click Sleep from the menu displayed.

  • Page 49: Symptom-To-Fru Index

    Symptom-to-FRU index This section contains following information: • “Numeric error codes” on page 43 • “Error messages” on page 44 • “Beep symptoms” on page 45 • “No-beep symptoms” on page 45 • “LCD-related symptoms” on page 45 • “Intermittent problems” on page 46 •...

  • Page 50: Error Messages

    3. Replace the system board. Thermal sensing error. Replace the system board. This system does not support batteries that are not Replace the battery. genuine Lenovo-made or authorized. The system will continue to boot, but may not charge unauthorized batteries. Hardware Maintenance Manual...

  • Page 51: Beep Symptoms

    LCD technology, but excessive pixel problems can cause viewing concerns.If the LCD you are servicing has two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced. Notes: •...

  • Page 52: Intermittent Problems

    Table 6. LCD-related symptoms FRU or action, in sequence Symptom or error No beep, power-on indicator on, and a blank LCD during Replace the system board. POST. • LCD backlight not working. 1. Reseat the LCD connectors. • LCD too dark. 2.

  • Page 53: Chapter 5. Status Indicators

    To initiate the special function of each key, press the Fn key and the corresponding function key. Speaker mute indicator On: The speakers are muted. Microphone mute indicator On: The microphones are muted. © Copyright Lenovo 2014, 2015...
  • Page 54 Table 7. Status indicators (continued) Indicator Meaning Camera status indicator On: The camera is in use. System status indicator Blinking three times: The computer is initially connected to power. On: The computer is in use. Off: The computer is off or in hibernation mode. Slow blinking: The computer is in sleep mode.

  • Page 55: Chapter 6. Function Keys

    Switches the display output location between the computer display and an external monitor. Enables or disables the wireless features. For Windows 10: Opens the Settings window. For Windows 8.1: Opens the Settings charm. For Windows 7: Opens Control Panel. © Copyright Lenovo 2014, 2015...
  • Page 56 Table 8. Function keys (continued) Function key and key Description combination ® Windows 10: Opens the Cortana search box. For Windows 8.1: Opens the Search charm. For Windows 7: Opens Windows Search. Views the programs that you have opened. For Windows 10 and Windows 8.1: Views all the programs. For Windows 7: Opens Computer.

  • Page 57: Chapter 7. Locations

    High-Definition Multimedia Interface (HDMI™) connector USB 3.0 connectors System status indicator ® ThinkPad pointing device with TrackPoint buttons ThinkPad pointing device without TrackPoint buttons (available on some models) (available on some models) Media-card slot TrackPoint pointing stick © Copyright Lenovo 2014, 2015...

  • Page 58: Bottom View

    Bottom view Security-lock slot Fan louvers Always On USB connector Combo audio connector Speaker Battery Internal storage drive Speaker Wireless LAN card Memory modules : Internal storage drive refers to the installed hard disk drive, solid-state drive, or hybrid drive. Hardware Maintenance Manual...

  • Page 59: Locating Frus And Crus

    CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request.

  • Page 60: Major Frus

    Major FRUs Hardware Maintenance Manual...
  • Page 61 System board Memory module ThinkPad-logo-LED card Battery Hinge support bracket Wireless LAN antenna Speaker assembly Lenovo OneLink connector cover Base cover assembly DIMM door Internal storage drive (hard disk drive, hybrid drive, or solid-state drive) USB/audio card Thermal fan assembly...

  • Page 62: Lcd Frus

    LCD FRUs For models with non-touch panel Table 10. LCD FRUs No. FRU descriptions Self-service Optional service LCD bezel assembly Camera and microphone combo card LCD Hinge assembly LCD cover assembly LCD/camera card/ThinkPad logo card combo cable LCD module Miscellaneous parts and other FRUs Table 11.

  • Page 63: Looking Up Fru Information

    Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: http://www.lenovo.com/serviceparts-lookup Chapter 7 Locations...
  • Page 64 Hardware Maintenance Manual...

  • Page 65: Chapter 8. Fru Replacement Notices

    Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/support.

  • Page 66: Retaining Serial Numbers

    ThinkPad Setup program is set to UEFI Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site.

  • Page 67: Retaining The Uuid

    ThinkPad Setup program is set to UEFI Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance key. Note: Only an authorized Lenovo service technician can access the above Web site.
  • Page 68 Hardware Maintenance Manual...

  • Page 69: Chapter 9. Removing Or Replacing A Fru

    Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual is available for downloading at http://www.lenovo.com/support.

  • Page 70: Before Servicing The Computer

    1. Loosen the screws , and then remove the base cover 2. Disconnect the battery 1010 Lenovo OneLink connector cover Removal steps of the Lenovo OneLink connector cover Remove the connector cover as shown in the following illustration. Hardware Maintenance Manual...

  • Page 71: 1020 Dimm Door

    Note: Ensure that you reattach the connector cover to the Lenovo OneLink connector after finishing the servicing. 1020 DIMM door Removal steps of the DIMM door Loosen the screws , and then remove the base cover Step Screw (quantity) Color Torque M2 ×...

  • Page 72: 1040 Memory Module

    • Before removing the drive, have the user make a backup copy of all the information on it if possible. • Never remove the drive while the system is operating or in suspend mode. Removal steps of the storage drive Remove the screws that secure the storage drive Step Screw (quantity)

  • Page 73: 1050 Wireless Lan Card

    Removal steps of the memory module When installing: Insert the notched end of the memory module into the memory slot. Press the memory module in firmly, and pivot it downward until it snaps into place. Ensure that the memory module is firmly installed in the slot and does not move easily.

  • Page 74: 1060 Coin-Cell Battery

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3.5 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) When installing: Plug the gray cable into the connector labeled MAIN or 1 on the card; and plug the black cable into the connector labeled AUX or 2 on the card.

  • Page 75: 1070 Keyboard

    1070 Keyboard For access, remove this FRU: • “1020 DIMM door” on page 65 Removal steps of the keyboard Remove the screws that secure the keyboard. Torque Step Screw (quantity) Color M2 × 7 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Push hard in the direction as shown to unlatch the keyboard.

  • Page 76: 1080 Keyboard Bezel Assembly

    Gently put the keyboard on the palm rest and detach the connectors. Then remove the keyboard. 1080 Keyboard bezel assembly For access, remove this FRU: • “1010 Lenovo OneLink connector cover” on page 64 • “1020 DIMM door” on page 65 •...
  • Page 77 Removal steps of the keyboard bezel assembly Step Screw (quantity) Color Torque M2 × 7 mm, flat-head, nylon-coated (8) Black 0.181 Nm (1.85 kgf-cm) Black 0.181 Nm M2 × 5 mm, flat-head, nylon-coated (4) (1.85 kgf-cm) Note: Depending on the model, the ThinkPad pointing device might look different from the following illustration.

  • Page 78: 1090 Media Card Reader

    Note: Depending on the model, the ThinkPad pointing device might look different from the following illustration. 1090 Media card reader For access, remove these FRUs in order: • “1010 Lenovo OneLink connector cover” on page 64 • “1020 DIMM door” on page 65 • “1070 Keyboard” on page 69 •...

  • Page 79: 1100 Usb/Audio Card

    Black 0.181 Nm (1.85 kgf-cm) 1100 USB/audio card For access, remove these FRUs in order: • “1010 Lenovo OneLink connector cover” on page 64 • “1020 DIMM door” on page 65 • “1070 Keyboard” on page 69 • “1080 Keyboard bezel assembly” on page 70...

  • Page 80: 1120 System Board, Dc-In Support Bracket, And Thermal Fan Assembly

    • “1020 DIMM door” on page 65 • “1070 Keyboard” on page 69 • “1080 Keyboard bezel assembly” on page 70 Removal step of the ThinkPad-logo-LED card 1120 System board, dc-in support bracket, and thermal fan assembly Important notices for handling the system board When handling the system board, read the following: •...
  • Page 81 • If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated conductive material. For access, remove these FRUs in order: • “1010 Lenovo OneLink connector cover” on page 64 • “1020 DIMM door” on page 65 •...
  • Page 82 For models with an integrated thermal module Microprocessor ThinkPad E455 For models with a discrete thermal module Microprocessor Video Graphic Array card (VGA) Fusion Controller Hub (FCH) Hardware Maintenance Manual...
  • Page 83 For models with an integrated thermal module Microprocessor Fusion Controller Hub (FCH) Chapter 9 Removing or replacing a FRU...
  • Page 84 Removal steps of the system board Disconnect the connectors attached to the system board. Remove the screws that secure the system board and the dc-in support bracket. Then remove the dc-in support bracket. Step Screw (quantity) Color Torque Black 0.181 Nm M2.0 ×...
  • Page 85 Loosen the screws. Remove the system board together with the thermal fan assembly. Chapter 9 Removing or replacing a FRU...
  • Page 86 Turn over the system board. The thermal fan assembly is on the other side of the system board. Then loosen the screws in the alphabetical order as shown. Remove the thermal fan assembly. When you install the thermal fan assembly: •...

  • Page 87: 1130 Battery Pack

    • “1120 System board, dc-in support bracket, and thermal fan assembly” on page 74 Important notices for replacing a battery pack Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use.
  • Page 88 The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety issue. If the Lenovo Solution Center program is not installed on the computer, the customer should download and install the program to diagnose the battery pack, before getting a non-physically damaged battery pack replaced.

  • Page 89: 1140 Speaker Assembly

    1140 Speaker assembly For access, remove these FRUs in order: • “1010 Lenovo OneLink connector cover” on page 64 • “1020 DIMM door” on page 65 • “1030 Internal storage drive” on page 65 • “1040 Memory module” on page 66 •...

  • Page 90: 1150 Lcd Unit

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 2.5 mm, big-head, nylon-coated (4) (1.85 kgf-cm) Remove the speaker assembly. When installing: Ensure that the cables are properly. 1150 LCD unit For access, remove these FRUs in order: • “1020 DIMM door”...

  • Page 91: 1160 Hinge Support Bracket, Wireless Lan Antennas Assembly, And Base Cover Assembly

    1160 Hinge support bracket, wireless LAN antennas assembly, and base cover assembly For access, remove these FRUs in order: • “1010 Lenovo OneLink connector cover” on page 64 • “1020 DIMM door” on page 65 • “1030 Internal storage drive” on page 65 •...
  • Page 92 • “1080 Keyboard bezel assembly” on page 70 • “1090 Media card reader” on page 72 • “1100 USB/audio card” on page 73 • “1110 ThinkPad-logo-LED card” on page 73 • “1120 System board, dc-in support bracket, and thermal fan assembly” on page 74 •...
  • Page 93 Remove the wireless LAN antennas assembly from the base cover assembly. Antenna locations Wireless LAN auxiliary antenna (black) Wireless LAN main antenna (gray) Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.

  • Page 94: 2010 Lcd Bezel Assembly

    • Provide a letter to the customer stating what the label was originally on the computer and what the part number, serial number, and product key were on the label. When you replace the base cover, apply the serial number label The following labels must be peeled off from the old base cover, and then adhere to the new base cover.

  • Page 95: 2020 Lcd Module

    2020 LCD module For access, remove these FRUs in order: • “1150 LCD unit” on page 84 • “2010 LCD bezel assembly” on page 88 Removal steps of the LCD module Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm)

  • Page 96: 2040 Integrated Camera And Microphone Combo Card

    Removal steps of the hinge kit Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) 0.294 Nm M2.5 × 3.5 mm, flat-head, nylon-coated (8) Silver (3.0 kgf-cm) 2040 Integrated camera and microphone combo card For access, remove these FRUs in order: •...

  • Page 97: 2050 Lcd Cable Assembly And Lcd Rear Cover Assembly

    Removal steps of the integrated camera and microphone combo card When installing: Ensure that the connector is attached firmly. 2050 LCD cable assembly and LCD rear cover assembly For access, remove these FRUs in order: • “1150 LCD unit” on page 84 •...
  • Page 98 Hardware Maintenance Manual...

  • Page 99: Appendix A. Notices

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 100: Electronic Emissions Notices

    For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. EU contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo ThinkPad ThinkPad logo TrackPoint Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies.

  • Page 101: Appendix B. Abbreviation Table

    Graphics Processing Unit Hard Disk Drive HDMI High-definition multimedia interface Integrated circuits Integrate circuit card identity ICCID International Standardization Organization Local area network Liquid Crystal Display Media Access Control Machine type Machine type and model Personal Computer © Copyright Lenovo 2014, 2015...
  • Page 102 Abbreviation Term Platform Controller Hub POST Power-on self-test Random Access Memory Radio frequency RFID Radio-frequency identification Ring indicator Registered jack SATA Serial Advanced Technology Attachment Subscriber Identity Module Supervisor password TFTs Thin-film transistors UEFI Unified Extensible Firmware Interface Universal Serial Bus UUID Universally Unique Identifier VRAM...
  • Page 104 Part Number: SP40A27160_03 Printed in China (1P) P/N: SP40A27160_03 *1PSP40A27160_03*...

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