Chapter 2. Important Service Information; Strategy For Replacing Frus - Lenovo ThinkPad T430 Hardware Maintenance Manual
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Chapter 2. Important service information
This chapter presents following important service information that applies to all machine types supported by
this manual:
•
"Strategy for replacing FRUs" on page 25
–
"Strategy for replacing a hard disk drive" on page 26
–
"Important notice for replacing a system board" on page 26
–
"How to use error message" on page 26
•
"Strategy for replacing FRUs for CTO, CMV, and GAV" on page 26
–
"Product definition" on page 26
– "FRU identification for CTO, CMV, and GAV products" on page 27
Important:
• If the computer is equipped with both a hard disk drive and an mSATA solid-state drive, do not use the
mSATA solid-state drive as a bootable device. The mSATA solid-state drive is used for the "cache"
function only.
• Advise customers to contact the Lenovo
obtaining or installing any software fixes, drivers, and 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/
Strategy for replacing FRUs
Before replacing parts:
Ensure that all software fixes, drivers, and UEFI BIOS downloads are installed before replacing any FRUs
listed 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 and install software fixes, drivers, and UEFI BIOS, go to http://www.lenovo.com/ThinkPadDrivers
and follow the instructions on the screen.
Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:
• If you are instructed to replace a FRU but the replacement does not correct 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
the processor board or the system board, and replacing one of them does not correct the problem,
reinstall that board, and then replace the other one.
• If an adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error.
Before replacing the adapter or device, remove the FRUs, one by one, to see if the symptoms change.
Replace only the FRU that changed the symptoms.
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