Dell™ Dimension™ 4700 Series - Dell Support

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Light Pattern Problem Description Suggested Resolution
A B C D
A B C D
= yellow
= green
= off
Dell Diagnostics
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions
located in the Product Information Guide.
If you experience a problem with your computer, perform the checks in "Solving Problems" on
page 21 and run the Dell Diagnostics before you contact Dell for technical assistance.
NOTICE: The Dell Diagnostics works only on Dell computers.
1 Turn on (or restart) your computer.
2 When the DELL logo appears, press immediately.
If you wait too long and the operating system logo appears, continue to wait until you see the
Microsoft ® Windows ® desktop. Then shut down your computer (see page 47) and try again.
3 When the boot device list appears, highlight Boot to Utility Partition and press .
40 Advanced Troubleshooting
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 56).
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 make
sure 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 95) to make sure that
the boot sequence is correct for the
devices installed on your computer.
If the problem persists, contact Dell
(see page 105).
The computer is in a normal operating
condition after POST.
None.