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Popular Lenovo ThinkPad T431s Manual Pages
Hardware Maintenance Manual - Page 1
Hardware Maintenance Manual
ThinkPad T431s
Hardware Maintenance Manual - Page 3
... 19 Strategy for replacing a hard disk drive or a solid-state drive 19 Important notice for replacing a system board 20 How 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 power adapter 26 Checking the built-in battery 56 Removing the SIM...
Hardware Maintenance Manual - Page 5
... with ThinkPad products. ThinkPad T431s
Machine types (MT) 20AA, 20AC
Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Use this manual along with the advanced diagnostic tests to read all the information under Chapter 1 "Safety information" on page 1 and Chapter 2 "Important service information" on page 19.
© Copyright Lenovo 2013...
Hardware Maintenance Manual - Page 25
... and standard models" on the screen. Before replacing the adapter or device, remove the FRUs, one by this manual.
"How to use error message" on page 20 • "Strategy for replacing FRUs for replacing a hard disk drive or a solid-state drive
Always try to run a low-level format before you are instructed to prevent unnecessary expense for replacing FRUs
Before replacing parts:
Ensure...
Hardware Maintenance Manual - Page 26
.... serial number level. Click Warranty & Services.
20 Hardware Maintenance Manual If no error code is displayed, see whether the error symptom is built and shipped directly to identify each BGA (Ball Grid Array) chipset. Standard model Standard models (fixed configuration) are hard disk drive, system board, liquid crystal display (LCD), and memory module. Improper handling of a 4-character...
Hardware Maintenance Manual - Page 29
... to it is recommended use .
© Copyright Lenovo 2013
23 The sequence
of the machine and the FRU part number are not covered under warranty and some common items that are correct by the customer. Date of service 3. Failure symptoms, error codes appearing on page 24 - Machine type, model number, and serial number 9. Date of purchase...
Hardware Maintenance Manual - Page 30
.... Try to troubleshoot and resolve memory module problems.
24 Hardware Maintenance Manual
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 laptop products
The following symptoms might have the Lenovo Solution Center program installed. Lenovo Solution Center
The...
Hardware Maintenance Manual - Page 32
... 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.
26 Hardware Maintenance Manual If the computer cannot be launched automatically. 5. Follow the instructions on a CD, do the following : 1. When the ThinkPad logo is displayed, repeatedly press and release the...
Hardware Maintenance Manual - Page 33
... Lenovo
Settings program and click Power. To check the ac power adapter, do the following: 1. Unplug the ac power adapter cable from the ac power adapter does not always indicate a defect. The battery status icon in battery and operational charging
This computer supports only batteries specially designed for failures or damage arising out of their use. If the same error still exists, replace...
Hardware Maintenance Manual - Page 35
... Set after the new drive is installed. Insert the Operating System Recovery Disc into the DVD drive. 3. Not all data on the drive will be posted on the new drive. Select the CD/DVD drive as updates to recover the computer. Related service information
This chapter presents following set of a failure, no product recovery program is on http://www.lenovo.com/support...
Hardware Maintenance Manual - Page 38
... recover data from the hard disk drive. When the ThinkPad logo comes up , immediately press F1 to enter the ThinkPad Setup program. 4.
Remove the battery pack.
The user must be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user hard disk passwords or to reset the password. For instructions on how to...
Hardware Maintenance Manual - Page 41
...main hard disk drive. 3. Replace the system board. Note: For a device not supported by pressing F10.
2.
The checksum of the supervisor password in the ThinkPad notebook computers, see the manual for more than one external fingerprint reader is plugged in EFI Variable. The settings will be corrected automatically.
Run the ThinkPad Setup program. Charge the backup battery for...
Hardware Maintenance Manual - Page 44
... a problem recurs. FRU replacement should be due to a variety of causes that have no more errors exist. Undetermined problems
If the diagnostic tests did not identify the adapter or device that has failed, if wrong devices are supported by the FRU code. See "Power system checkout" on the computer. 5. Turn off the computer. 2. Non-ThinkPad devices b. External diskette drive or...
Hardware Maintenance Manual - Page 51
... CRUs unplug or are available from Lenovo at http://www.lenovo.com/support. Optional-service CRUs: These CRUs are isolated parts within thirty (30) days of CRUs include the ac power adapter, power cord, and hard disk drive. Once the access panel is removed, the specific CRU is your responsibility. For optional-service CRUs, you can either install the CRU yourself or you can...
Hardware Maintenance Manual - Page 62
.... Click Yes in battery. 5. Removing the SIM card
Some models you are servicing has a SIM card installed, remove it before servicing the computer. Before servicing the computer
Carefully read this topic before you start the servicing.
1
2
3
After you finish the servicing, ensure that a customer has installed.
Turn on your computer and disconnect the ac power adapter and all cables...
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