Toshiba Qosmio G40-MM1 User Manual page 196

Qosmio G40
Problem
Some CD/DVD/HD
DVDs run correctly, but
others do not
HD DVD-R drive
For further information, please refer to Chapter 4,
The optical drive installed on this computer cannot write multiple sessions
on HD DVD-R Dual Layer disc sessions. Once a disc has been written to
once, it will be finalized. Once finalized, no further writing to the disc will be
possible regardless of what portion of the total disc capacity was used.
Problem
You cannot access a
CD/DVD/HD DVD in the
drive
10-10
Procedure
The computer's software or hardware
configuration may be causing a problem - ensure
that these configurations match the requirements
of the CD/DVD/HD DVD media (refer to the CD's,
DVD's, or HD DVD's documentation if available).
Check the type of CD, DVD, or HD DVD media
that you are using - the drive supports the
following:
HD DVD: HD DVD-ROM (Single-sided
Single-Layer), HD DVD-ROM
(Single-sided Dual-Layer),
HD DVD-Video,
HD DVD (Twin format disc)
DVD: DVD-ROM, DVD-Video
CD: CD-DA, CD-Text, Photo CD™
(single/multi-session), CD-ROM Mode
1, Mode 2, CD-ROM XA Mode 2
(Form1, Form2), Enhanced CD
(CD-EXTRA), Addressing Method 2
For DVD Videos, you should check the region
coding on the DVD to ensure that it matches that
on the HD DVD-ROM drive. For reference,
region codes are listed in the
section in Chapter 2,
Procedure
Make sure the drive's disc tray is securely closed
- press it gently into the computer until it clicks
into place.
Open the drive's disc tray and ensure the CD,
DVD, or HD DVD is properly seated - it should lie
flat with the label facing upwards.
Optical disc drives
The Grand Tour.
Operating Basics.
User's Manual