Toshiba Portege R930 - Manual (Page 86)

Make sure that the writing/rewriting operation is completed before
going into either Sleep Mode or Hibernation Mode (You can remove
an optical media on the optical disc drive after writing is completed).
If the media is of poor quality, or is dirty or damaged, writing or
rewriting errors may occur.
Set the computer on a level surface and avoid places subject to
vibration such as airplanes, trains or cars. In addition, do not use the
computer on an unstable surface such as a stand.
Keep mobile phones and other wireless communication devices away
from the computer.
TOSHIBA Disc Creator
Please be aware of the following limitations when you use the TOSHIBA
Disc Creator:
DVD Video cannot be created using TOSHIBA Disc Creator.
DVD Audio cannot be created using TOSHIBA Disc Creator.
You cannot use TOSHIBA Disc Creator's "Audio CD" function to
record music to DVD-R, DVD-R DL, DVD-RW, DVD+R, DVD+R DL or
DVD+RW media.
Do not use the "Disc Backup" function of TOSHIBA Disc Creator in
order to copy DVD Video or DVD-ROM material that has copyright
protection.
DVD-RAM discs cannot be backed up using the "Disc Backup"
function of TOSHIBA Disc Creator.
You cannot back up CD-ROM, CD-R or CD-RW media to DVD-R,
DVD-R DL or DVD-RW media using the "Disc Backup" function of
TOSHIBA Disc Creator.
You cannot back up CD-ROM, CD-R or CD-RW media to DVD+R,
DVD+R DL or DVD+RW media using the "Disc Backup" function of
TOSHIBA Disc Creator.
You cannot back up DVD-ROM, DVD Video, DVD-R, DVD-R DL,
DVD-RW, DVD+R, DVD+R DL or DVD+RW to CD-R or CD-RW media
using the "Disc Backup" function of TOSHIBA Disc Creator.
TOSHIBA Disc Creator cannot record in packet format.
You might not be able to use the "Disc Backup" function of TOSHIBA
Disc Creator to back up a DVD-R, DVD-R DL, DVD-RW, DVD+R,
DVD+R DL or DVD+RW disc that was made with other software on a
different optical media recorder.
If you add data to a DVD-R, DVD-R DL, DVD+R or DVD+R DL disc
that you have already recorded to, you might not be able to read the
added data under some circumstances. For example, it cannot be
read under 16-bit operating systems, such as Windows 98SE and
Windows Me, while in Windows NT4 you will need Service Pack 6 or
later, and in Windows 2000, you will need Service Pack 2. In addition
to this, some DVD-ROM and DVD-ROM/CD-R/RW drives cannot read
this added data regardless of the operating system.
User's Manual 3-21