Service and Maintain

Service Reference Guide, dc7600 390742-002 D–23
Troubleshooting Without Diagnostics
Solving Processor Problems
.
Solving CD-ROM and DVD Problems
Solving Processor Problems
Problem Cause Solution
Poor performance is
experienced.
Processor is hot. 1. Make sure the airflow to the
computer is not blocked.
2. Make sure the fans are
connected and working
properly (some fans only
operate when needed).
3. Make sure the processor
heatsink is installed properly.
Power LED flashes Red
three times, once every
second, followed by a two
second pause, and the
computer beeps three
times. Beeps continue for
five iterations after which
the LED flashes will
continue until the problem
is resolved.
Processor is not seated
properly or not
installed.
1. Check to see that the processor
is present.
2. Reseat the processor.
Solving CD-ROM and DVD Problems
Problem Cause Solution
System will not boot from
CD-ROM or DVD drive.
Removable Media Boot
is not enabled through
the Computer Setup
utility.
Run the Computer Setup utility and
enable booting to removable media
and verify boot order settings.
Non-bootable CD in
drive.
Try a bootable CD in the drive.
Network Server Mode
is enabled in Computer
Setup.
Run Computer Setup and disable
Network Server Mode in Security
> Password Options.
Boot order not correct. Run Computer Setup and change
boot sequence in Storage > Boot
Order.
CD-ROM or DVD devices
are not detected or driver is
not loaded.
Drive is not connected
properly or not properly
configured.
1. Reconnect power and data
cables to the drive.
2. Install correct device driver.
Movie will not play in the
DVD drive.
Movie may be
regionalized for a
different country.
See the documentation that came
with the DVD drive.