Dell DX6012S - Manual (Page 131)

Troubleshooting Your System
141
Troubleshooting Expansion Cards
NOTE:
When troubleshooting an expansion card, see the documentation for your
operating system and the expansion card.
CAUTION:
Many repairs may only be done by a certified service technician.
You should only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
1 Run the appropriate online diagnostic test. See "Using Online Diagnostics"
on page 145.
2 If installed, remove the front bezel. See "Removing the Front Bezel" on
page 69.
3 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
4 Open the system. See "Opening the System" on page 70.
5 Ensure that each expansion card is firmly seated in its connector.
See "Installing an Expansion Card" on page 91.
6 Ensure that each expansion-card riser is firmly seated in its connector.
See "Installing an Expansion-Card Riser" on page 95.
7 Close the system. See "Closing the System" on page 71.
8 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
9 If problem is not resolved, turn off the system and attached peripherals,
and disconnect the system from the electrical outlet.
10 Open the system. See "Opening the System" on page 70.
11 Remove all expansion cards installed in the system. See "Removing an
Expansion Card" on page 93.
12 Close the system. See "Closing the System" on page 71.
13 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
14 Run the appropriate online diagnostic test. See "Running the System
Diagnostics" on page 145.
book.book Page 141 Friday, February 26, 2010 11:22 AM