Solving Cd-Rom And Dvd Problems - HP Pro 4300 Maintenance And Service Manual

Table 7-13 Solving Processor Problems
Poor performance is experienced.
Cause
Processor is hot.
Power LED flashes red three times, once every second, followed by a two second pause.
Cause
Processor is not seated properly or not installed.
Power LED flashes red eleven times, once every second, followed by a two second pause.
Cause
The current processor does not support a feature previously
enabled on this system.

Solving CD-ROM and DVD Problems

If you encounter CD-ROM or DVD problems, see the common causes and solutions listed in the
following table or to the documentation that came with the optional device.
Table 7-14 Solving CD-ROM and DVD Problems
System will not boot from CD-ROM or DVD drive.
Cause
The device is attached to a SATA port that has been hidden
in the Computer Setup utility.
Removable Media Boot is disabled in the Computer Setup
utility.
Network Server Mode is enabled in Computer Setup.
Non-bootable CD in drive.
Boot order not correct.
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 heat sink is installed properly.
Solution
1. Check to see that the processor is present.
2. Reseat the processor.
Solution
1. Install a TXT capable processor.
2. Disable TXT in the Computer Setup (F10) utility.
3. Reinstall the original processor.
Solution
Run the Computer Setup utility and ensure Device Available
is selected for the device's SATA port in Security > Device
Security.
Run the Computer Setup utility and enable booting to
removable media in Storage > Storage Options. Ensure
CD-ROM is enabled in Storage > Boot Order.
Run the Computer Setup utility and disable Network Server
Mode in Security > Password Options.
Try a bootable CD in the drive.
Run the Computer Setup utility and change boot sequence in
Storage > Boot Order.
Solving CD-ROM and DVD Problems 107