Solving Cd-Rom And Dvd Problems - HP Pro 3000 SFF Maintenance And Service Manual

Table C-12 Solving Memory Problems (continued)
The computer emits one short beep then one long beep followed by a three second pause.
Cause
Memory is installed incorrectly or is bad.

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 C-13
System will not boot from CD-ROM or DVD drive.
Cause
The device is attached to a SATA port that has been
disabled in the Computer Setup utility.
Non-bootable CD in drive.
Boot order not correct.
Drive not found (identified).
Cause
Cable could be loose.
The system may not have automatically recognized a newly
installed device.
The device is attached to a SATA port that has been
disabled in Computer Setup.
CD-ROM or DVD devices are not detected or driver is not loaded.
Cause
Drive is not connected properly or not properly configured.
166 Appendix C Troubleshooting Without Diagnostics
Solving CD-ROM and DVD Problems
Solution
1. Reseat DIMMs. Power on the system.
2. Replace DIMMs one at a time to isolate the faulty
module.
3. Replace third-party memory with HP memory.
4. Replace the system board.
Solution
Run the Computer Setup utility and ensure SATA1
Controller is Enabled in the Advanced menu.
Try a bootable CD in the drive.
1. Run the Computer Setup utility and change the optical
drive boot priority in Boot > Boot Device Priority >
CD-ROM Group Boot Priority.
2. Run the Computer Setup utility and change boot group
sequence in Boot > Boot Device Priority.
Solution
Check cable connections.
See reconfiguration directions in the
Installation Problems on page 160
does not recognize the new device, check to see if the
device is listed within Computer Setup. If it is listed, the
probable cause is a driver problem. If it is not listed, the
probable cause is a hardware problem.
Run the Computer Setup utility and ensure SATA1
Controller is Enabled in the Advanced menu.
Solution
See the documentation that came with the optional device.
Solving Hardware
section. If the system still