Dell Dimension 3100C Owner's Manual - Page 45

the system does not start, there may be a, If all of the diagnostic lights are on

Page 45 highlights

Light Pattern Problem Description Suggested Resolution A possible expansion card failure has occurred. 1 Determine whether a conflict exists by removing a card and restarting the computer (see page 66). 2 If the problem persists, reinstall the card that you removed, remove a different card, 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 page 49). 4 If the problem persists, contact Dell (see page 102). Another failure has occurred. • Ensure that the cables are properly connected to the system board from the hard drive, CD drive, and DVD drive (see page 61). • If there is an error message on your screen identifying a problem with a device (such as the floppy drive or hard drive), check the device to ensure that it is functioning properly. • The operating system is attempting to boot from a device (such as the floppy drive or hard drive); check system setup (see page 91) to make sure the boot sequence is correct for the devices installed on your computer. • If the problem persists, contact Dell (see page 102). During normal operation, all of the diagnostic lights turn on and then turn off before the system starts. NOTE: If all of the diagnostic lights are on and the system does not start, there may be a problem with the power supply or with the processor. If the system does not start, plug the computer into a working electrical outlet. Also see "Power Problems" on page 36. If there are no power problems and the system does not start, contact Dell (see page 102). Advanced Troubleshooting 45

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Advanced Troubleshooting
45
A possible expansion card failure has occurred.
1
Determine whether a conflict exists by
removing a card and restarting the computer
(see page 66).
2
If the problem persists, reinstall the card that
you removed, remove a different card, 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 page 49).
4
If the problem persists, contact Dell (see
page 102
).
Another failure has occurred.
Ensure that the cables are properly
connected to the system board from the hard
drive, CD drive, and DVD drive (see
page 61).
If there is an error message on your screen
identifying a problem with a device (such as
the floppy drive or hard drive), check the
device to ensure that it is functioning
properly.
The operating system is attempting to boot
from a device (such as the floppy drive or
hard drive); check system setup (see page 91)
to make sure the boot sequence is correct for
the devices installed on your computer.
If the problem persists, contact Dell (see
page 102
).
During normal operation, all of the diagnostic
lights turn on and then turn off before the
system starts.
NOTE:
If all of the diagnostic lights are on and
the system does not start, there may be a
problem with the power supply or with the
processor.
If the system does not start, plug the
computer into a working electrical outlet. Also
see "Power Problems" on page 36.
If there are no power problems and the system
does not start, contact Dell (see page 102).
Light Pattern
Problem Description
Suggested Resolution