Dell OptiPlex 980 Service Manual page 24

Mini-tower
Hide thumbs Also See for OptiPlex 980:
Table of Contents

Advertisement

failure has
occurred.
Power connector
not installed
properly.
Possible
peripheral card
or system board
failure has
occurred.
A possible
system board
failure has
occurred.
A possible coin
cell battery
failure has
occurred.
The computer is
in a normal on
condition.
The diagnostic
lights are not lit
after the
computer
successfully
boots to the
operating
system.
A possible
processor failure
has occurred.
Memory modules
are detected, but
a memory failure
has occurred.
A possible
graphics card
failure has
occurred.
A possible floppy
drive or hard
drive failure has
occurred.
A possible USB
failure has
occurred.
No memory
modules are
detected.
Memory modules
are detected, but
a memory
one until you find the bad one.
Reseat the 2x2 power connector from the power supply unit.
Remove all peripheral cards from the PCI and PCI-E slots and restart the
computer. If the computer boots, add the peripheral cards back one by
one until you find the bad one.
Disconnect all internal and external peripherals, and restart the computer.
If the computer boots, add the peripheral cards back one by one until you
find the bad one.
If the problem persists, the system board is probably bad.
Remove the coin cell battery for one minute, reinstall the battery, and
restart.
Ensure that the display is connected and powered on.
Reseat the processor.
If two or more memory modules are installed, remove the modules (see
your service manual), then reinstall one module (see your service manual
and restart the computer. If the computer starts normally, continue to
install additional memory modules (one at a time) until you have identified
a faulty module or reinstalled all modules without error.
If available, install working memory of the same type into your computer.
Reseat any installed graphics cards.
If available, install a working graphics card into your computer.
Reseat all power and data cables.
Reinstall all USB devices and check all cable connections.
If two or more memory modules are installed, remove the modules (see
your service manual), then reinstall one module (see your service
manual) and restart the computer. If the computer starts normally,
continue to install additional memory modules (one at a time) until you
have identified a faulty module or reinstalled all modules without error.
If available, install working memory of the same type into your computer.
Ensure that no special requirements for memory module/connector
placement exist.

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents