Introduction
Important service information
Important
BIOS and device driver fixes are customer-installable. The BIOS and device
drivers are posted on the customer support site http://www.lenovo.com/
support
Advise customers to contact the Customer Support Center at 800-426-7378 if
they need assistance in obtaining or installing any software fixes, drivers, and
BIOS downloads.
Customers in Canada should call the Customer Support Center at
800-565-3344 for assistance or download information.
Strategy for replacing FRUs
Before replacing parts
Make sure that all software fixes, drivers, and BIOS downloads are installed
before replacing any FRUs listed in this manual.
After a system board is replaced, ensure that the latest BIOS is loaded to the
system board before completing the service action.
To download software fixes, drivers, and 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:
v If you are instructed to replace a FRU but the replacement does not correct the
problem, reinstall the original FRU before you continue.
v 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.
v 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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