Lenovo 28155XU Laptop User Manual


 
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.
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.
© Copyright Lenovo 2009 39