Troubleshooting Without Diagnostics

Solving Processor Problems

 

 

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Solving Processor Problems

 

 

 

 

 

 

 

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

 

 

Poor performance is

Processor is hot.

1. Make sure the airflow to the

 

 

experienced.

 

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

Processor is not seated

1. Check to see that the processor

 

 

three times, once every

properly or not

is present.

 

 

second, followed by a two

installed.

2. Reseat the processor.

 

 

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.

 

 

 

 

 

 

Solving CD-ROM and DVD Problems

 

 

 

 

 

 

 

Solving CD-ROM and DVD Problems

 

 

 

 

 

 

 

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

 

 

System will not boot from

Removable Media Boot

Run the Computer Setup utility and

 

 

CD-ROM or DVD drive.

is not enabled through

enable booting to removable media

 

 

 

the Computer Setup

and verify boot order settings.

 

 

 

utility.

 

 

 

 

 

 

 

 

 

 

 

Non-bootable CD in

Try a bootable CD in the drive.

 

 

 

drive.

 

 

 

 

 

 

 

 

 

 

 

Network Server Mode

Run Computer Setup and disable

 

 

 

is enabled in Computer

Network Server Mode in Security

 

 

 

Setup.

> Password Options.

 

 

 

 

 

 

 

 

 

Boot order not correct.

Run Computer Setup and change

 

 

 

 

boot sequence in Storage > Boot

 

 

 

 

Order.

 

 

 

 

 

 

 

 

CD-ROM or DVD devices

Drive is not connected

1. Reconnect power and data

 

 

are not detected or driver is

properly or not properly

cables to the drive.

 

 

not loaded.

configured.

2. Install correct device driver.

 

 

 

 

 

 

 

 

 

 

 

 

Movie will not play in the

Movie may be

See the documentation that came

 

 

DVD drive.

regionalized for a

with the DVD drive.

 

 

 

different country.

 

 

 

 

 

 

 

 

Service Reference Guide, dc7600

390742-002

D–23

Page 249
Image 249
HP dc7608 manual Solving Processor Problems, Solving CD-ROM and DVD Problems, Password Options