HP DC7800 - Manual (Page 257)

Table D-15 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 hidden in
the Computer Setup utility. Run the Computer Setup utility and ensure Device Available
is selected for the device's SATA port in Security > Device
Security.
Removable Media Boot is disabled in the Computer Setup
utility. Run the Computer Setup utility and enable booting to
removable media in Storage > Storage Options. Ensure CD-
ROM is enabled in Storage > Boot Order.
Network Server Mode is enabled in Computer Setup. Run the Computer Setup utility and disable Network Server
Mode in Security > Password Options.
Non-bootable CD in drive. Try a bootable CD in the drive.
Boot order not correct. Run the Computer Setup utility and change boot sequence
in Storage > Boot Order.
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 237 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.
If this is a newly installed drive, run the Computer Setup utility
and try adding a POST delay under Advanced > Power-On.
The device is attached to a SATA port that has been hidden in
Computer Setup. Run the Computer Setup utility and ensure Device Available
is selected for the device's SATA port in Security > Device
Security.
Drive responds slowly immediately after power-up. Run Computer Setup and increase the POST Delay in
Advanced > Power-On Options.
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.
Movie will not play in the DVD drive.
Cause Solution
Movie may be regionalized for a different country. See the documentation that came with the DVD drive.
Decoder software is not installed. Install decoder software.
Damaged media. Replace media.
Solving CD-ROM and DVD Problems 245