Toshiba Portege M400 User Manual page 114

Operating Basics
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Data written to a CD-R/DVD-R/DVD+R disc cannot be deleted either in
whole or in part.
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Data deleted (erased) from a CD-RW, DVD-RW, DVD+RW and DVD-
RAM disc cannot be recovered. Check the content of the disc carefully
before you delete it. If multiple drives that can write data to discs are
connected, be careful not to delete data from the wrong drive.
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In writing to a DVD-R/-RW, DVD+R/+RW or DVD-RAM disc, some disc
space is required for file management, so you may not be able to write
the full capacity of the disc.
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Since the disc is based on the DVD standard, it might be filled with
dummy data if the written data is less than about 1 GB. Even if you write
only a small amount of data, it might take time to fill in the dummy data.
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DVD-RAM formatted by FAT32 cannot be read in Windows 2000
without DVD-RAM Driver Software.
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When multiple drives that can write data to discs are connected, be
careful not to write to the wrong drive.
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Be sure to connect the AC adaptor before you write or rewrite.
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Before you enter standby/Hibernation Mode, be sure to finish DVD-
RAM writing. Writing is finished if you can eject DVD-RAM media.
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Be sure to close all other software programs except the writing
software.
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Do not run software such as a screen saver, which can put a heavy load
on the CPU.
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Operate the computer in the full-power mode. Do not use power-saving
features.
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Do not write while virus check software is running. Wait for it to finish
and then disable virus detection programs including any software that
checks files automatically in the background.
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Do not use hard disk utilities, including those intended to enhance hard
disk drive access speed. They may cause unstable operation and data
damage.
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CD-RW (Ultra Speed +) media is not available. If used, data may be lost
or damaged.
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Write from the computer's hard disk drive to the CD/DVD. Do not try to
write from shared devices such as a LAN server or any other network
device.
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Writing with software other than RecordNow! and InterVideo WinDVD
Creator Platinum are not recommended.
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