Lenovo ThinkPad W520 Hardware Maintenance Manual - Page 31

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 25 - "Strategy for replacing a hard disk drive" on page 25 - "Important notice for replacing a system board" on page 26 - "How to use error codes" 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: • Advise customers to contact the Lenovo Customer Support Center if they need any assistance in 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: Make sure 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 software fixes, drivers, and UEFI BIOS, do as follows: 1. Go to http://www.lenovo.com/support. 2. Click Download Drivers & Software and then follow the instructions on the screen to reach the Download Drivers and Software page. 3. 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 might 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. Strategy for replacing a hard disk drive Always try to run a low-level format before replacing a hard disk drive. This will cause all customer data on the hard disk to be lost. Be sure that the customer has a current backup of the data before doing this task. © Copyright Lenovo 2011, 2012 25

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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 25
–
“Important notice for replacing a system board” on page 26
–
“How to use error codes” 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:
•
Advise customers to contact the Lenovo Customer Support Center if they need any assistance in
obtaining or installing any software fixes, drivers, and UEFI BIOS downloads. Telephone numbers for
Lenovo Support are available at:
•
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.
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, do as follows:
2. Click
Download Drivers & Software
and then follow the instructions on the screen to reach the
Download Drivers and Software page.
3. 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 might 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.
Strategy for replacing a hard disk drive
Always try to run a low-level format before replacing a hard disk drive. This will cause all customer data on
the hard disk to be lost. Be sure that the customer has a current backup of the data before doing this task.
© Copyright Lenovo 2011, 2012
25