Important service information
This chapter presents following important service information that applies to all
machine types supported by this manual:
v“Strategy for replacing FRUs”
– “Strategy for replacing a hard disk drive” on page 40
– “Important notice for replacing a system board” on page 40
– “How to use error message” on page 40
v“Strategy for replacing FRUs for CTO, CMV,and GAV” on page 41
– “Product definition” on page 41
– “FRU identification for CTO, CMV,and GAV products” on page 41

Strategy for replacing FRUs

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
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/
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.
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.
Todownload 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.
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