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122 Troubleshooting Your System
5
Ensure that the expansion card is firmly seated in its connector. See
"Installing an Expansion Card" on page 72.
6
Close the system. See "Closing the System" on page 63.
7
If the problem is not resolved, turn off the system and attached
peripherals, and disconnect the system from the electrical outlet.
8
Open the system. See "Opening the System" on page 62.
9
Remove the expansion card. See "Removing an Expansion Card" on
page 73.
10
Close the system. See "Closing the System" on page 63.
11
Run the appropriate online diagnostic test.
If the tests fail, see
"Getting Help
" on page 133.
Troubleshooting the Processor
WARNING: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before you begin this
procedure, review the safety instructions that came with the system.
1
Run the appropriate online diagnostics test. See "Using Online
Diagnostics" on page 125.
2
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
3
Open the system. See "Opening the System" on page 62.
4
Ensure that the processor and heat sink are properly installed. See
"Processor" on page 92.
5
Close the system. See "Closing the System" on page 63.
6
Run the appropriate online diagnostic test.
If a problem is still indicated, see
"Getting Help
" on page 133.
book.book Page 122 Wednesday, August 12, 2009 4:51 PM