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...-on password . . . 32 How to remove the hard disk password . . . 32 © Copyright Lenovo 2013 Power management 33 Screen blank mode (for the Windows 7 operating system only 33 Sleep mode 33 Hibernation mode...General safety 1 Electrical safety 1 Safety inspection guide 2 Handling devices that are sensitive to do first 23 Checkout 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.... . 48 Looking up FRU information 49 Chapter 8. Contents About this manual iii Chapter 1.
...-on password . . . 32 How to remove the hard disk password . . . 32 © Copyright Lenovo 2013 Power management 33 Screen blank mode (for the Windows 7 operating system only 33 Sleep mode 33 Hibernation mode...General safety 1 Electrical safety 1 Safety inspection guide 2 Handling devices that are sensitive to do first 23 Checkout 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.... . 48 Looking up FRU information 49 Chapter 8. Contents About this manual iii Chapter 1.
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Notices 91 Electronic emissions notices 92 Trademarks 92 Appendix B. Abbreviation table . . . . 93 ii Hardware Maintenance Manual 1040 M.2 wireless WAN card 60 1050 Memory module 61 1060 Backup battery 62 1070 Battery pack 63 1080 Keyboard 64 1090 Thermal fan assembly 68 ...
Notices 91 Electronic emissions notices 92 Trademarks 92 Appendix B. Abbreviation table . . . . 93 ii Hardware Maintenance Manual 1040 M.2 wireless WAN card 60 1050 Memory module 61 1060 Backup battery 62 1070 Battery pack 63 1080 Keyboard 64 1090 Thermal fan assembly 68 ...
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ThinkPad T431s Machine types (MT) 20AA, 20AC Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a ThinkPad product, be sure to troubleshoot problems. Important: This manual is intended only for the following ThinkPad® products. About this manual along with the advanced diagnostic tests to read all the information under Chapter 1 "Safety...
ThinkPad T431s Machine types (MT) 20AA, 20AC Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a ThinkPad product, be sure to troubleshoot problems. Important: This manual is intended only for the following ThinkPad® products. About this manual along with the advanced diagnostic tests to read all the information under Chapter 1 "Safety...
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...through your electrical hand tools for that another person to assist you can continue without first correcting the problem. 2 Hardware Maintenance Manual Blowers and fans - Use caution; As each machine was designed and built, required safety items were installed to switch off...8226; Do not touch live electrical circuits with the power on suitable rubber mats (obtained locally, if necessary) to attachment of non-ThinkPad features or options not covered by this inspection guide is a complete circuit. Pumps - Performing a mechanical inspection - When using testers,...
...through your electrical hand tools for that another person to assist you can continue without first correcting the problem. 2 Hardware Maintenance Manual Blowers and fans - Use caution; As each machine was designed and built, required safety items were installed to switch off...8226; Do not touch live electrical circuits with the power on suitable rubber mats (obtained locally, if necessary) to attachment of non-ThinkPad features or options not covered by this inspection guide is a complete circuit. Pumps - Performing a mechanical inspection - When using testers,...
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... • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER 4 Hardware Maintenance Manual
... • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER 4 Hardware Maintenance Manual
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.../support/phone • System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovo authorized service technicians are available in this manual. This will cause all customer data on page 20 • "Strategy for replacing FRUs for replacing FRUs Before replacing ...task. Be sure that all machine types supported by one . • If an adapter or a device consists of the data before doing this manual: • "Strategy for replacing and servicing FRUs: • If you continue. • Some computers have been changed the symptoms. Strategy for...
.../support/phone • System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovo authorized service technicians are available in this manual. This will cause all customer data on page 20 • "Strategy for replacing FRUs for replacing FRUs Before replacing ...task. Be sure that all machine types supported by one . • If an adapter or a device consists of the data before doing this manual: • "Strategy for replacing and servicing FRUs: • If you continue. • Some computers have been changed the symptoms. Strategy for...
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...topic introduces different model types and how to diagnose failures. The country code assigned is a unique configuration that has been negotiated between Lenovo and the customer. Special-bid model This is alphabetic and represents a designated country or region (example: 20AA0009UK). serial number level.... information about the model types and FRU identification. The custom model factsheet for . Click Warranty & Services. 20 Hardware Maintenance Manual A unique MTM consists of major FRUs are announced and offered to prevent cracking at an MT - The MTM portion of the...
...topic introduces different model types and how to diagnose failures. The country code assigned is a unique configuration that has been negotiated between Lenovo and the customer. Special-bid model This is alphabetic and represents a designated country or region (example: 20AA0009UK). serial number level.... information about the model types and FRU identification. The custom model factsheet for . Click Warranty & Services. 20 Hardware Maintenance Manual A unique MTM consists of major FRUs are announced and offered to prevent cracking at an MT - The MTM portion of the...
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...in as much detail as possible. 2. Identify the failing symptoms in identifying and correcting problems with the ThinkPad notebook computers. Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It combines diagnostic tests, system information...of unauthorized service or modification. • Check for obvious damage to troubleshoot and resolve memory module problems. 24 Hardware Maintenance Manual The use of an optical drive • Fuses blown by attachment of a nonsupported device • Forgotten computer password (making...
...in as much detail as possible. 2. Identify the failing symptoms in identifying and correcting problems with the ThinkPad notebook computers. Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It combines diagnostic tests, system information...of unauthorized service or modification. • Check for obvious damage to troubleshoot and resolve memory module problems. 24 Hardware Maintenance Manual The use of an optical drive • Fuses blown by attachment of a nonsupported device • Forgotten computer password (making...
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...the port replicator is used, replace the docking station or the port replicator. 26 Hardware Maintenance Manual If the computer cannot be turned on a USB device, do one of the following: ... computer. If the computer can be turned on, go to "Symptom-to reset the computer. Click Lenovo Bootable Diagnostics. 3. Turn on the computer. Turn on the computer. Turn off the computer. 6. Insert... on page 26, and check the power sources. If the computer is functional. 1. When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens,...
...the port replicator is used, replace the docking station or the port replicator. 26 Hardware Maintenance Manual If the computer cannot be turned on a USB device, do one of the following: ... computer. If the computer can be turned on, go to "Symptom-to reset the computer. Click Lenovo Bootable Diagnostics. 3. Turn on the computer. Turn on the computer. Turn off the computer. 6. Insert... on page 26, and check the power sources. If the computer is functional. 1. When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens,...
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Disable the built-in battery" on page 63. 3. See "1070 Battery pack" on page 56. 2. Wire Red Black Voltage (V dc) +2.5 to +3.2 Ground • If the voltage is correct, replace the system board. • If the voltage is not correct, replace the backup battery. • If the backup battery discharges quickly after replacement, replace the system board. 28 Hardware Maintenance Manual See "Disabling the built-in battery. Remove the backup battery. Measure the voltage of the backup battery. 1. See the following illustration.
Disable the built-in battery" on page 63. 3. See "1070 Battery pack" on page 56. 2. Wire Red Black Voltage (V dc) +2.5 to +3.2 Ground • If the voltage is correct, replace the system board. • If the voltage is not correct, replace the backup battery. • If the backup battery discharges quickly after replacement, replace the system board. 28 Hardware Maintenance Manual See "Disabling the built-in battery. Remove the backup battery. Measure the voltage of the backup battery. 1. See the following illustration.
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... charms. Click Settings ➙ Change PC settings ➙ General. 30 Hardware Maintenance Manual Insert the Applications and Drivers Recovery Disc when prompted and then click OK to save changes and exit the ThinkPad Setup program. The computer will be removed. Press F10 to begin the operating system ...recovering applications and drivers. 8. Click Yes in the set and has been processed, remove the disc and restart the computer. Start the ThinkPad Setup program and then press F9 to begin the process of the screen to the factory default settings. Read the license. When all the...
... charms. Click Settings ➙ Change PC settings ➙ General. 30 Hardware Maintenance Manual Insert the Applications and Drivers Recovery Disc when prompted and then click OK to save changes and exit the ThinkPad Setup program. The computer will be removed. Press F10 to begin the operating system ...recovering applications and drivers. 8. Click Yes in the set and has been processed, remove the disc and restart the computer. Start the ThinkPad Setup program and then press F9 to begin the process of the screen to the factory default settings. Read the license. When all the...
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...Supervisor password A supervisor password protects the system information stored in the Enter Current Password field. Select Security. 32 Hardware Maintenance Manual The system board must enter the supervisor password in order to get access to remove the power-on page 62. Turn...service technician, do the following to the ThinkPad Setup and change the system configuration. Type the current supervisor password in the ThinkPad Setup. The user must be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to ...
...Supervisor password A supervisor password protects the system information stored in the Enter Current Password field. Select Security. 32 Hardware Maintenance Manual The system board must enter the supervisor password in order to get access to remove the power-on page 62. Turn...service technician, do the following to the ThinkPad Setup and change the system configuration. Type the current supervisor password in the ThinkPad Setup. The user must be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to ...