Lenovo ThinkPad W541 (English) Hardware Maintenance Manual - ThinkPad T540p, W
Lenovo ThinkPad W541 Manual
View all Lenovo ThinkPad W541 manuals
Add to My Manuals
Save this manual to your list of manuals |
Lenovo ThinkPad W541 manual content summary:
- Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 1
Hardware Maintenance Manual ThinkPad T540p, W540, and W541 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 2
and the product it supports, be sure to read the general information under Appendix A "Notices" on page 105. Third Edition (November 2014) © Copyright Lenovo 2013, 2014. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration "GSA" contract - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 3
guide 24 Lenovo Solution Center 24 Quick test programs 24 UEFI diagnostic program 25 Bootable diagnostic programs 25 Power system checkout 26 Checking the ac power adapter 27 Checking the battery and operational charging 27 Checking the coin-cell battery 28 Chapter 4. Related service - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 4
Before servicing the computer 58 Removing the SIM card 58 1010 Battery pack 58 1020 ExpressCard solid-state drive . 65 1100 Coin-cell battery 67 1110 Keyboard 68 1120 Keyboard bezel assembly 73 1130 Power button card, color sensor, NFC card, fingerprint . . . 107 ii Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 5
this manual This manual contains service and reference information for the following ThinkPad® products. ThinkPad T540p ThinkPad W540 ThinkPad W541 Machine Types (MT) 20BE and 20BF MT 20BG and 20BH MT 20EF and 20EG Use this manual along with the advanced diagnostic tests to troubleshoot problems - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 6
iv Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 7
you need to be familiar with before you service a ThinkPad notebook computer. • "General safety" on page 1 • "Electrical safety" on page 1 • "Safety inspection guide" on page 2 • "Handling devices that use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2013, 2014 1 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 8
; Instructions for nongrounded power extension cables, power service the following parts with the power on when they are removed from their normal operating places in a machine: - Power supply service technicians from injury. This guide ThinkPad features or options not covered by this inspection guide - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 9
lenovo.com/serviceparts-lookup c. Insulation must not be frayed or worn. 4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-ThinkPad . 9. Check that the power-supply cover fasteners (screws or protection that meets the specific service requirement. Note: The - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 10
- When working on a double-insulated or battery-operated system, use an ESD common ground or reference point. You can use coax or connector • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER 4 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 11
DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 5 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 12
6 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 13
PERIGO PERIGO PERIGO PERIGO Chapter 1. Safety information 7 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 14
PERIGO PERIGO PERIGO PERIGO DANGER 8 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 15
DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 9 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 16
DANGER VORSICHT VORSICHT VORSICHT VORSICHT 10 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 17
VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1. Safety information 11 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 18
12 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 19
Chapter 1. Safety information 13 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 20
14 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 21
Chapter 1. Safety information 15 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 22
16 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 23
Chapter 1. Safety information 17 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 24
18 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 25
in this manual. After a system board is replaced, ensure that the latest UEFI BIOS is loaded to the system board before completing the service action. To download software fixes, drivers, and UEFI BIOS, go to http://www.lenovo.com/ThinkPadDrivers and follow the instructions on the screen. Use the - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 26
Grid Array) chipset. How to use error message Use the error codes displayed on the screen to diagnose failures. If more than one error code is displayed, begin the diagnosis with , do the following: 1. Go to: http://www.lenovo.com/support 2. Click Warranty & Services. 20 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 27
for a product. To get the general FRU list for a product, do the following: 1. Go to: http://www.lenovo.com/support 2. Click Parts & Accessories. 3. Follow the instructions on the screen to select product. 4. Click Products and Parts Detail. 5. On the PRODUCT AND PARTS DETAIL page, click the Parts - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 28
22 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 29
Power system checkout" on page 26 Before you go to the checkout guide, be sure to read the following important notes. Important notes: • Only certified trained personnel should service web site: http://www.lenovo.com/serviceparts-lookup • A a FRU only when a problem recurs. If you suspect that - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 30
onto the keyboard • Use of an incorrect ac power adapter on laptop instructions on the screen. For more information about the Lenovo Solution Center program, refer to the help information system of the program. Quick test programs Run quick test programs to troubleshoot and resolve computer problems - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 31
the instructions on the screen to start the test. When a problem is detected, information messages are displayed. Refer to the messages to troubleshoot the problem. are servicing is not installed with the UEFI diagnostic program, you can download a bootable diagnostic program from the Lenovo Support - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 32
pack is functional. If you suspect a power problem, see the appropriate one of the following power supply checkouts: • "Checking the ac power adapter" on page 27 • "Checking the battery and operational charging" on page 27 • "Checking the coin-cell battery" on page 28 26 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 33
You are here because the computer fails only when the ac power adapter is used. • If the power problem occurs only when the docking station or the port replicator is used, replace the docking station or the port replicator. • If the system status indicator does not blink three times when an ac - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 34
battery To check the coin-cell battery, do the following: 1. Remove the battery pack. See "1010 Battery pack" on page 58. 2. Remove the coin-cell battery. See "1100 Coin-cell battery" on page 67. 3. Measure the voltage of the coin-cell battery battery. • If the coin-cell battery discharges quickly - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 35
page 30 • "Passwords" on page 33 • "Power management" on page 35 • "Symptom-to-FRU index" on page 36 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 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 36
screen is displayed. Follow the instructions on the screen to complete the Windows setup. 11. After you have completed the Windows setup, you might want to restore the original startup sequence. Start the ThinkPad can troubleshoot and fix the problems the problem might be - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 37
the screen to display the charms. Click Settings ➙ Change PC settings ➙ Update and recovery ➙ Recovery. 2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options. 3. Select a desired startup option, then follow the instructions on the screen. Chapter 4. Related service - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 38
recovery environment starts automatically. Then you can choose repair and recovery options by following the instructions on the screen. Note: Ensure that your computer is connected to ac power during the recovery process. Creating and using recovery media You can create recovery media as backups - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 39
to ac power. 1. Turn on or restart the computer. Before the Windows operating system starts, repeatedly press F12. The Boot Menu window opens. 2. Select the recovery drive as the boot device. 3. Select a preferred language and then select a preferred keyboard layout. 4. Click Troubleshoot to display - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 40
, neither Lenovo nor Lenovo authorized service technicians provide any services to reset power-on password: 1. Turn off the computer. 2. Remove the battery pack. For instructions on how to remove the battery pack, see "1010 Battery pack" on page 58. 3. Remove the coin-cell battery. For instructions - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 41
back to operational status, the only Lenovo and Lenovo-authorized service solution would be to replace the hard To put the computer into screen blank mode, do the following: 1. Right-click the battery gauge on the taskbar. 2. Select Power off display. To end screen blank mode and resume normal - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 42
mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the hard disk drive or solid-state drive. • The system is powered off. Note: If the computer enters the hibernation mode while it is docked to the docking station or the port replicator, do not undock it before - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 43
. 0190 Critical low-battery error 1. Charge the battery pack. 2. Replace the battery pack. 0191 System Security-Invalid Remote Change requested. 1. Run the ThinkPad Setup program, and device. 2. Replace the M.2 SATA device. 3. Replace the system board. Chapter 4. Related service information 37 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 44
Fan error. Thermal sensing error. The battery installed is not supported by this system and will not charge. Please replace the battery with the correct Lenovo battery for this system. Press the ESC key the device from ExpressCard slot. Replace the system board. 38 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 45
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: • This policy applies to all ThinkPad notebooks purchased on - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 46
any damaged FRU. 3. Remove or disconnect all of the following devices: a. Non-ThinkPad devices b. Devices attached to the docking station or the port replicator c. Printer, mouse, and other external devices d. Battery pack e. Hard disk drive or solid-state drive f. External diskette drive or optical - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 47
special function of each key, press the Fn key and the corresponding function key. On: The speakers are muted. On: The microphones are muted. © Copyright Lenovo 2013, 2014 41 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 48
) Indicator Meaning 4 Camera status indicator On: The camera is in use. 5 6 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 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 49
7: Opens Computer. For Windows 8 and Windows 8.1: Views all the programs. Launches the calculator. Locks the operating system. Opens the default Web browser. Opens Computer. © Copyright Lenovo 2013, 2014 43 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 50
key, press the Fn key and the corresponding function key. Controls the keyboard backlight. + There are three modes for the keyboard backlight: Off, Low, and High. Press Fn+Spacebar to change the modes of the keyboard backlight. Fn+B Has the same function as the Break key on a conventional - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 51
Front view 21 2 14 13 12 11 10 1 Camera (on some models) 2 Microphones 3 Power button 4 Numeric keypad 5 Security-lock slot 6 USB 2.0 connector 7 USB 3.0 connector 3 4 logo (on some models) 13 ThinkPad trackpad (with or without the TrackPoint® buttons) 14 TrackPoint pointing stick © Copyright - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 52
view 10 9 8 7 4 56 3 6 Always-On USB connector 7 USB 3.0 connector 8 ExpressCard slot (on some models) 9 Media card slot 10 Audio connector 1 2 3 5 1 Battery pack 2 SIM card slot 3 Docking station connector (on some models) 4 4 Keyboard drainage holes 5 Speakers 46 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 53
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/UserManuals. Follow the on-screen instructions to find the manual for your product. You might be required to return the defective part that is - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 54
9. Major FRUs No. FRU descriptions 1 LCD unit 2 NFC card 3 Keyboard bezel assembly 4 Fingerprint reader 5 Trackpad 6 Magnesium structure frame 7 Optical drive 8 Wireless WAN card 48 Hardware Maintenance Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Self-service CRU No No No No No No Yes Yes Optional - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 55
8 M.2 solid-state drive 9 Wireless LAN card 10 Coin-cell battery 11 USB card 12 Battery pack 13 Base cover 14 Small bottom door 15 Large bottom door Thermal fan assembly 23 dc-in cable assembly 24 Color sensor 25 Keyboard 26 TrackPoint cap Self-service CRU No Yes Yes No Yes No Yes Yes Yes Yes No - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 56
front bezel 2 LCD panel 3 Hinges 4 Antenna kit 5 Camera-and-microphone cable 6 Camera-and-microphone card 7 LCD rear cover assembly 8 LCD cable 50 Hardware Maintenance Manual 21 2 23 24 25 26 27 Self-service CRU No No No No No No No No Optional-service CRU No No No No No No No No - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 57
NFC cateron • LCD bezel rubber • LED lens • ThinkPad logo • Lenovo logo • Spec Table 12. Other FRUs FRU descriptions ac adapter Power cord Self-service CRU No Optional-service CRU No No No No No No No Self-service CRU Yes Yes Optional-service CRU No No Looking up FRU information For - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 58
52 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 59
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/UserManuals. Click Guides & Manuals and then follow the on-screen instructions to find the manual for your product. You might be required to return the - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 60
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 to the computer. 54 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 61
the instructions on the screen; To read box build date, select 5. Read box build date from EEPROM, and follow the instructions on the screen. After an ECA has been applied to the machine, the EEPROM must be updated to reflect the ECA's application. Use the latest version of LENOVO ThinkPad Hardware - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 62
of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer. 2. From the main menu, select 6. Set ECA Information. 3. To write the ECA information, select 1. Write ECA/rework number from EEPROM, and follow the instruction; To write box build date, select - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 63
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 computer, unplug all power cords from electrical outlets, remove the battery pack, and then - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 64
a SIM card installed, remove it before you start the servicing. 1 2 After you finish the servicing, ensure that you install the card back into the slot firmly. 1010 Battery pack Important notices for replacing a battery pack Attention: Lenovo has no responsibility for the performance or safety of - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 65
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. Note that the replacement of a physically - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 66
the screws 1 . 2 1 2 1040 Hard disk drive or solid-state drive For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 Attention: • Do not drop the drive or apply any backup copy of all the information on it if possible. 60 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 67
When installing: Ensure that the hard disk drive or solid-state drive is firmly attached. 1050 Optical drive For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 Removal steps of the optical drive Remove the screw 1 . Chapter 9. Removing or replacing - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 68
1 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) 3 Color Silver Torque 0.181 Nm (1.85 kgf-cm) 2 1060 Memory module For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 62 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 69
that the memory module is firmly installed in the slot and does not move easily. 1070 Small bottom door For access, remove this FRU: • "1010 Battery pack" on page 58 Removal steps of the small bottom door Note: Loosen the screw 1 . 1 2 Chapter 9. Removing or replacing a FRU 63 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 70
service the wireless LAN card, the wireless WAN card or the M.2 solid-state drive, and the coin-cell battery, avoid any kind of rough handling. 1080 Wireless LAN card For access, remove these FRUs: • "1010 Battery -coated (1) Color Black Torque 0.181 Nm (1.85 kgf-cm) 64 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 71
. 1090 Wireless WAN card or M.2 solid-state drive For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1070 Small bottom door" on page 63 Depending on the model, the computer you are servicing might have one of the following cards installed: • Wireless WAN card • M.2 solid-state drive - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 72
cable into the connector labeled MAIN on the card; and plug the blue cable into the connector labeled AUX on the card. 3 66 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 73
screw 1 . 2 1 1 Step 2 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) Color Black Torque 0.181 Nm (1.85 kgf-cm) 1100 Coin-cell battery For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1070 Small bottom door" on page 63 3 Chapter 9. Removing or replacing a FRU 67 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 74
the coin-cell battery connector is attached firmly. 1110 Keyboard For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 Removal steps of keyboard Locate the keyboard multi-tool in the shipping package of the new keyboard. 68 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 75
The screws securing the keyboard are beneath the keyboard frame. To reveal the screw heads beneath the frame, use the flat end of the multi-tool in the shipping package of the new keyboard to slide the keyboard forward by 2.5mm (0.1 inch). 1 Use the cross end of the multi-tool to loosen the screws. - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 76
4 3 5 6 7 8 Installation steps of keyboard Attach the connectors and then turn over the keyboard. 4 3 1 2 5 70 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 77
front edge of the keyboard is under the frame of the keyboard bezel. 6 6 Reveal the screw heads by sliding the keyboard frame forward with the flat end of the keyboard multi-tool. 7 Tighten the screws with the cross end of the keyboard multi-tool to secure the keyboard in place. Chapter 9. Removing - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 78
the keyboard frame, otherwise the keyboard frame cannot be moved. 9 9 Insert the flat end of the keyboard multi-tool into the sides of the keyboard frame to push the keyboard frame backward. Ensure that there is no gap between the keyboard frame and keyboard bezel. 72 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 79
Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 Important: Read the following instructions first before replacing the keyboard bezel assembly for ThinkPad W540 sensor calibration profile, and if no problem was reported with the color sensor, follow the - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 80
the initial calibration completes, a dialog box is displayed. Click OK to exit the Sensor Replacement Utility program. Removal steps of the keyboard bezel assembly Remove the screws 1 . 1 1 1 1 1 1 1 Step 1 Screw (quantity) M2 × 9 mm, flat-head, nylon-coated (7) Color Black Torque 0.181 Nm - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 81
the connectors are attached firmly. 1130 Power button card, color sensor, NFC card, fingerprint reader, and trackpad For access, remove these FRUs in order: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page 73 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 82
the color sensor Important: Read the following instructions first before replacing the color sensor for ThinkPad W540 models. • If the hard disk drive are unable to back up the color sensor calibration profile, and if no problem was reported with the color sensor, proceed to replace the color sensor. - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 83
hinges, and LCD cable" on page 95. 6. Run the Sensor Replacement Utility program again and follow the instructions on the screen to perform the initial color calibration, or provide instructions to the customer to run this utility. 7. When the initial calibration completes, a dialog box is displayed - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 84
Step 3 Screw (quantity) M2 × 7 mm, flat-head, nylon-coated (2) Removal steps of the NFC card 3 Color Silver Torque 0.181 Nm (1.85 kgf-cm) 1 2 When installing: Ensure that the connector is attached firmly. 4 78 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 85
Removal steps of the fingerprint reader 1 2 1 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (2) Color Silver Torque 0.181 Nm (1.85 kgf-cm) 5 3 3 4 When installing: Ensure that the connector is attached firmly. Chapter 9. Removing or replacing a FRU 79 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 86
firmly. Color Black Torque 0.181 Nm (1.85 kgf-cm) 4 1140 Smart card reader or dummy smart card For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page 73 80 Hardware Maintenance - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 87
Color Silver Torque 0.181 Nm (1.85 kgf-cm) 5 6 When installing: Ensure that the connector is attached firmly. If the computer you are servicing has a dummy smart card installed. Follow the following instructions to remove or replace the dummy smart card. Chapter 9. Removing or replacing a FRU 81 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 88
) M2 × 3 mm, flat-head, nylon-coated (3) 1150 LCD unit For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page 73 Removal steps of the LCD unit 2 Color Silver Torque 0.181 Nm (1.85 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 89
3 3 Step 3 Screw (quantity) M2.5 × 6 mm, flat-head, nylon-coated (2) 4 4 4 Color Black 4 4 Torque 0.392 Nm (4.0 kgf-cm) When installing: Ensure that the connectors are attached firmly. Chapter 9. Removing or replacing a FRU 83 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 90
: 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. 84 Hardware Maintenance - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 91
11 11 8 1160 Magnesium structure frame For access, remove these FRUs in order: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page 73 • "1150 LCD unit" on page 82 Removal steps of the magnesium structure frame 1 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 92
(1.85 kgf-cm) 0.181 Nm (1.85 kgf-cm) 1170 Speaker assembly For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page 73 • "1150 LCD unit" on page 82 • "1150 LCD unit" on page 82 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 93
cables are routed as shown. 8 1180 dc-in cable assembly For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page 73 • "1150 LCD unit" on page 82 • "1160 Magnesium structure frame" on - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 94
fan assembly For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page 73 • "1150 LCD unit" on page 82 88 Hardware Maintenance Manual 8 Color Silver Torque 0.181 Nm (1.85 kgf-cm) - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 95
fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams. Either too much or too less application of grease can cause a thermal problem due to imperfect Chapter 9. Removing or replacing a FRU 89 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 96
FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 90 Hardware Maintenance Manual Color Silver Torque 0.181 Nm - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 97
Keyboard bezel assembly" on page 73 • "1150 LCD unit" on page 82 • "1160 Magnesium structure frame" on page 85 • "1190 Thermal fan assembly" on page 88 Removal steps of the microprocessor Rotate the head of the screw using the Torx screwdriver in the direction shown by the arrow 1 to release the - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 98
in order: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page side of the system board is extremely sensitive. When you service the system board, avoid any kind of rough handling. a 92 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 99
d Removal steps of the system board and base cover 1 When installing: Ensure that the connector is attached firmly. 3 3 4 Step 3 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (2) 2 2 Color Silver Torque 0.181 Nm (1.85 kgf-cm) Chapter 9. Removing or replacing a FRU 93 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 100
for Brazil 27 Wireless card label for Brazil 28 SIRIM label or Indonesia POSTEL label 2010 LCD front bezel For access, remove this FRU: • "1010 Battery pack" on page 58 94 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 101
this first before replacing the LCD panel for ThinkPad W540 models with a color sensor Important: If your LCD panel needs a replacement, order a special LCD panel FRU kit for color sensor model from Lenovo. The FRU kit contains a LCD panel, a CD and an instruction flyer. For the correct FRU kit part - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 102
Utility program. • Provide the CD and the numeric key number to the customer and guide the customer to run the Panel Replacement Utility program. Failing to run the Panel Replacement mm, flat-head, nylon-coated (2) 4 3 Color Silver Torque 0.181 Nm (1.85 kgf-cm) 2 96 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 103
When installing: Ensure that the LCD connector is attached firmly. Removal steps of the hinges 1 1 1 1 1 1 1 1 2 2 3 1 1 2 2 3 Step 2 Screw (quantity) M2.5 × 3.5 mm, flat-head, nylon-coated (4) Color Black Torque 0.392 Nm (4.0 kgf-cm) Chapter 9. Removing or replacing a FRU 97 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 104
Removal steps of the LCD cable 11 1 For models with wedge LCD Removal steps of the LCD panel, the hinges, and the LCD cable 1 1 1 1 1 1 1 1 1 1 98 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 105
2 2 2 2 3 2 2 Step 2 Screw (quantity) M2.5 × 3.5 mm, flat-head, nylon-coated (6) 4 5 4 Color Black Torque 0.392 Nm (4.0 kgf-cm) Step 4 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (4) 4 5 4 Color Silver Torque 0.181 Nm (1.85 kgf-cm) Chapter 9. Removing or replacing a FRU 99 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 106
installing: Ensure that the LCD connector is attached firmly. 2030 Camera-and-microphone card and camera-and-microphone cable For access, remove these FRUs: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1150 LCD unit" on page 82 • "2010 LCD front bezel" on page 94 • "2020 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 107
Removal steps of the camera-and-microphone cable 1 2 2 3 3 3 3 33 2040 Antenna kit and LCD rear cover assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 58 • "1030 Large bottom door" on page 60 • "1150 LCD unit" on page 82 • "2010 LCD front bezel" on page 94 • "2020 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 108
: As 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. 102 Hardware Maintenance - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 109
a b c d Antenna location a Wireless LAN auxiliary antenna (black) b Wireless WAN auxiliary antenna (blue) c Wireless WAN main antenna (red) d Wireless LAN main antenna (grey) Chapter 9. Removing or replacing a FRU 103 - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 110
104 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 111
operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering for use in implantation or other life support applications where malfunction may result in injury may vary. Lenovo may use or distribute any of the information you supply in any - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 112
in the United States, other countries or both: Lenovo ThinkPad TrackPoint Ultrabay Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies. Other company, product, or service names may be the trademarks or service marks of others. 106 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 113
Abbreviation table The following table lists all abbreviations used in this manual. Abbreviation BGA CMOS CMV CRC CRT CRU CTO EAIA EEPROM Variant Integrated circuits Liquid Crystal Display Machine type and model Power-on self-test Radio-frequency identification Supervisor password Universally - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 114
108 Hardware Maintenance Manual - Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 115
- Lenovo ThinkPad W541 | (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 116
Part Number: SP40A26003_02 Printed in China (1P) P/N: SP40A26003_02 *1PSP40A26003_02*
HardwareMaintenanceManual
ThinkPadT540p,W540,andW541