Compaq Armada 7400 Reference Manual page 136

Drive cannot
read a disc.
CD-ROM drive
or DVD-ROM
drive is not
detected by the
computer.
Disc is not properly seated
in the drive.
Disc is loaded in the
loading tray upside down.
Disc has a scratch on its
surface.
Drive is not connected
properly.
Open the loading tray,
insert the disc, then close
the tray.
Open the loading tray, turn
over the disc (label facing
up), then close the tray.
Insert a different disc.
If you are running a
version of Windows that
was pre-installed by
Compaq, remove the drive
from the MultiBay and
reinsert it.
If you are running a
version of Windows that
was not pre-installed by
Compaq, turn off the
computer. Then remove
the drive from the
MultiBay and reinsert it.
Troubleshooting