user manual

156 Troubleshooting Your System
NOTE: When troubleshooting an expansion card, see the documentation for your
operating system and the expansion card.
1 Run the appropriate online diagnostic test. See "Running the System
Diagnostics."
2 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
3 Open the system. See "Opening the System."
4 Verify that the installed expansion cards meet the installation guidelines in
Ta b le 3 - 1 .
5 Ensure that each expansion-card riser is firmly seated in its connector. See
"Replacing an Expansion-Card Riser."
6 Ensure that each expansion card is firmly seated in its connector. See
"Installing an Expansion Card."
7 Close the system. See "Closing the System."
8 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
9 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
10 Open the system. See "Opening the System."
11 Remove all expansion cards installed in the system. See "Removing an
Expansion Card."
12 Close the system. See "Closing the System."
13 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
14 Run the appropriate online diagnostic test.
If the tests fail, see "Getting Help."
15 For each expansion card you removed in step 11, perform the following
steps:
a Turn off the system and attached peripherals, and disconnect the
system from the electrical outlet.
b Open the system. See "Opening the System."
c Reinstall one of the expansion cards.