HP EliteOne 800 G3 Maintenance & Service Manual page 105

Drive not found (identified).
Cause
The device is attached to a SATA port that has been hidden in
Computer Setup.
Drive responds slowly immediately after power-up.
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.
CD-ROM, CD-RW, DVD-ROM, or DVD-R/RW drive cannot read a disc or takes too long to start.
Cause
Media is corrupt.
Media has been inserted upside down.
The DVD-ROM drive takes longer to start because it has to
determine the type of media played, such as audio or video.
Solution
If this is a newly installed drive, run the Computer Setup utility
and try adding a POST delay under Advanced > Power-On
Options.
Run the Computer Setup utility and ensure Device Available is
selected for the device's SATA port in Advanced > Port Options.
Run Computer Setup and increase the POST Delay in Advanced >
Power-On Options.
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
from the drive until the tray is fully extended, then remove
the disc.
Solution
Try different media to confirm whether media is valid.
Re-insert the media with the label facing up.
Wait at least 30 seconds to let the DVD-ROM drive determine the
type of media being played. If the disc still does not start, read the
other solutions listed for this topic.
Solving CD-ROM and DVD problems 97