Dell E28S Series, Owner'S Manual, Page: 213 / 220

13. Run the appropriate diagnostic test. See the Using system diagnostics section. If the tests fail,
see the Getting help section.
14. For each expansion card you removed in step 10, perform the following steps:
a. Turn off the system and attached peripherals, and disconnect the system from the
electrical outlet.
b. Remove the system cover.
c. Reinstall one of the expansion cards.
d. Install the system cover.
e. Run the appropriate diagnostic test. See the Using system diagnostics section.
If the problem persists, see the Getting help section.
Troubleshooting expansion cards
Before you begin
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 are shipped with your product.
Note: When troubleshooting an expansion card, you also have to see the documentation for
your operating system and the expansion card.
Procedure
1. Run the appropriate diagnostic test. See the Using system diagnostics section.
2. Turn off the system and attached peripherals, and disconnect the system from the electrical
outlet.
3. Remove the system cover.
4. Ensure that each expansion card is firmly seated in its connector.
5. Install the system cover.
6. Turn on the system and attached peripherals.
7. If the problem is not resolved, turn off the system and attached peripherals, and disconnect
the system from the electrical outlet.
8. Remove the system cover.
9. Remove all expansion cards installed in the system.
10. Install the system cover.
11. Run the appropriate diagnostic test. See the Using system diagnostics section.
If the tests fail, see the Getting help section.
12. For each expansion card you removed in step 8, perform the following steps:
a. Turn off the system and attached peripherals, and disconnect the system from the
electrical outlet.
b. Remove the system cover.
c. Reinstall one of the expansion cards.
Troubleshooting your system
Dell PowerEdge R430 Owner's Manual 213