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Advanced Troubleshooting 49
No memory
modules are
detected.
• Reinstall all memory modules (see
page 70) and then restart the computer.
• To eliminate the possibility of a faulty
memory connector, remove all memory
modules, install one memory module (if
the system supports a single module),
and restart the system. Then move the
memory module to another connector
and restart the system.
• If the problem persists, contact Dell
(see page 84).
PCI bus failure has
occurred.
1 Determine if a conflict exists by
removing a card (see page 66) and then
restarting the computer.
2 If the problem persists, reinstall the card
that you removed, remove a different
card (see page 66), and then restart the
computer.
3 Repeat this process for each card. If the
computer starts normally, troubleshoot
the last card removed from the
computer for resource conflicts (see
"Resolving Software and Hardware
Incompatibilities" on page 54).
4 If the problem persists, contact Dell
(see page 84).
Video controller
failure.
• If the problem persists, contact Dell
(see page 84).
Diagnostic Code Definition Corrective Action
GYYY
ABCD
YGYY
ABCD
YGYG
ABCD