HP dx7200 HP Compaq Business PC dx7200 MT Service Reference Guide, 1st edition - Page 199

Solving Processor Problems, Solving CD-ROM and DVD Problems, Problem, Cause, Solution, Security

Page 199 highlights

Troubleshooting Without Diagnostics Solving Processor Problems . Solving Processor Problems Problem Cause Poor performance is experienced. Processor is hot. 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. Solution 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. 1. Check to see that the processor is present. 2. Reseat the processor. Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem Cause System will not boot from CD-ROM or DVD drive. Removable Media Boot is not enabled through the Computer Setup utility. Non-bootable CD in drive. Network Server Mode is enabled in Computer Setup. Boot order not correct. CD-ROM or DVD devices are not detected or driver is not loaded. Movie will not play in the DVD drive. Drive is not connected properly or not properly configured. Movie may be regionalized for a different country. Solution Run the Computer Setup utility and enable booting to removable media and verify boot order settings. Try a bootable CD in the drive. Run Computer Setup and disable Network Server Mode in Security > Password Options. Run Computer Setup and change boot sequence in Storage > Boot Order. 1. Reconnect power and data cables to the drive. 2. Install correct device driver. See the documentation that came with the DVD drive. Service Reference Guide, dx7200 390812-001 D-23

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Service Reference Guide, dx7200
390812-001
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.