Inside Your Computer; System Board; Jumpers; Expansion Cards - Dell Dimension XPS 50 Reference Manual

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This chapter describes troubleshooting procedures for expansion cards, memory,
drives, and the system board. Some procedures require you to access the inside of
the computer and remove and reinstall components. Procedures are also included for
reseating the microprocessor and checking a wet or damaged computer.
If an error message indicates an expansion-card problem or if an expansion card
seems to perform incorrectly or not at all, the problem could be a faulty connection, a
conflict with software or other hardware, or a faulty expansion card. If software prob-
lems and conflicts have been eliminated, perform the following general steps to
troubleshoot expansion cards:
1. Remove the computer cover and support beam as described in "Removing and
Replacing the Computer Cover and Support Beam" in Chapter 2.
2. Remove all cables attached to the expansion cards.
3. Remove each expansion card, and verify any jumper or switch settings.
4. Reinstall the expansion cards, fully seating the cards in their connectors.
Figure 6-1 illustrates a correctly seated expansion card, and Figure 6-2 illustrates
incorrect expansion-card installations.
5. Reconnect the cable connectors to the appropriate connectors on the expansion
cards.
6. Replace the computer cover and support beam, connect all external cables, and
turn on the system.
The following subsections provide troubleshooting procedures for some specific
types of expansion cards.
Checking Inside Your Computer 6-1