Lenovo ThinkPad X1 Hardware Maintenance Manual - Page 29

Important service information, Strategy for replacing FRUs - drivers

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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 23 - "Strategy for replacing a hard disk drive" on page 24 - "Important notice for replacing a system board" on page 24 - "How to use the error code" on page 24 • "Strategy for replacing FRUs for CTO, CMV, and GAV" on page 24 - "Product definition" on page 24 - "FRU identification for CTO, CMV, and GAV products" on page 25 Important: UEFI BIOS and device driver fixes are customer-installable. The UEFI BIOS and device drivers are posted on the customer support site http://www.lenovo.com/support 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: Make sure that all software fixes, drivers, and UEFI BIOS downloads are installed before replacing any FRUs listed in this manual. Important: After a system board is replaced: • For models with Instant Media Mode card, before you install the Instant Media Mode card, make sure that you update the system board with the original MTM and serial number of the computer. Otherwise, data on the Instant Media Mode card will be erased at power-on stage if the MTM and serial do not match. • Make sure that the latest UEFI BIOS is loaded to the system board before completing the service action. To download software fixes, drivers, and UEFI BIOS, do as follows: 1. Go to http://www.lenovo.com/support. 2. Enter the product number of the computer or press Auto-detect button on the screen. 3. Select Downloads and drivers. 4. Follow the directions on the screen and install the necessary software. 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. © Copyright Lenovo 2011, 2012 23

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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 23
–
“Strategy for replacing a hard disk drive” on page 24
–
“Important notice for replacing a system board” on page 24
–
“How to use the error code” on page 24
•
“Strategy for replacing FRUs for CTO, CMV, and GAV” on page 24
–
“Product definition” on page 24
–
“FRU identification for CTO, CMV, and GAV products” on page 25
Important:
UEFI BIOS and device driver fixes are customer-installable. The UEFI BIOS and device drivers
are posted on the customer support site http://www.lenovo.com/support
System Disassembly/Reassembly videos that show the FRU removals or replacements
for the Lenovo
®
authorized service technicians are available in the following support site:
Strategy for replacing FRUs
Before replacing parts:
Make sure that all software fixes, drivers, and UEFI BIOS downloads are installed before replacing any
FRUs listed in this manual.
Important:
After a system board is replaced:
•
For models with Instant Media Mode card, before you install the Instant Media Mode card, make sure
that you update the system board with the original MTM and serial number of the computer.
Otherwise,
data on the Instant Media Mode card will be erased at power-on stage if the MTM and serial do
not match.
•
Make sure that the latest UEFI BIOS is loaded to the system board before completing the service action.
To download software fixes, drivers, and UEFI BIOS, do as follows:
2. Enter the product number of the computer or press Auto-detect button on the screen.
3. Select
Downloads and drivers
.
4. Follow the directions on the screen and install the necessary software.
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.
© Copyright Lenovo 2011, 2012
23