HP dx7500 - Microtower PC Service & Reference Manual page 184

Table C-14 Solving CD-ROM and DVD Problems (continued)
System will not boot from CD-ROM or DVD drive.
Cause
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.
Movie will not play in the DVD drive.
Cause
Movie may be regionalized for a different country.
Decoder software is not installed.
Damaged media.
Movie rating locked out by parental lock.
Media installed upside down.
Cannot eject compact disc (tray-load unit).
Cause
Disc not properly seated in the drive.
174 Appendix C Troubleshooting Without Diagnostics
Solution
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 168
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.
Solution
See the documentation that came with the DVD drive.
Install decoder software.
Replace media.
Use DVD software to remove parental lock.
Reinstall media.
Solution
Turn off the computer and insert a thin metal rod into the
emergency eject hole and push firmly. Slowly pull the tray out
Solving Hardware
section. If the system still