The computer emits one short beep then one long beep followed by a three second pause.
Cause
Solution
Memory is installed incorrectly or is bad.
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.
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
Solving CD-ROM and DVD Problems
System will not boot from CD-ROM or DVD drive.
Cause
Solution
The device is attached to a SATA port that has been disabled
in the Computer Setup utility.
Run the Computer Setup utility and ensure
SATA1
Controller
is
Enabled
in the
Advanced
menu.
Non-bootable CD in drive.
Try a bootable CD in the drive.
Boot order not correct.
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
.
Drive not found (identified).
Cause
Solution
Cable could be loose.
Check cable connections.
The system may not have automatically recognized a newly
installed device.
See reconfiguration directions in the
Solving Hardware
Installation Problems on page 99
section. If the system still
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.
The device is attached to a SATA port that has been disabled
in Computer Setup.
Run the Computer Setup utility and ensure
SATA1
Controller
is
Enabled
in the
Advanced
menu.
CD-ROM or DVD devices are not detected or driver is not loaded.
Cause
Solution
Drive is not connected properly or not properly configured.
See the documentation that came with the optional device.
Table C-12
Solving Memory Problems (continued)
Solving CD-ROM and DVD Problems 105