Troubleshooting Expansion Cards; Troubleshooting Processors - Dell NX3230 Owner's Manual

e. Run the appropriate diagnostic test. For more information, see the Using system diagnostics
section in this document.
If the tests fail, see the Getting Help section in this document.

Troubleshooting expansion cards

Prerequisites
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.
NOTE: When troubleshooting an expansion card, see the documentation for your OS and the
expansion card.
Steps
1. Run the appropriate diagnostic test. For more information, see the Using system diagnostics section
in this document.
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. If the issue is not resolved, turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
7. Remove the system cover.
8. Remove all expansion cards installed in the system.
9. Install the system cover.
If the tests fail, see the Getting Help section in this document.
10. 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.
d. Install the system cover.
e. Run the appropriate diagnostic test. For more information, see the Using system diagnostics
section in this document.
Next steps
If the issue persists, see the Getting Help section in this document.

Troubleshooting processors

Prerequisites
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.
135