Nokia N91-2 User Manual page 127

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Defragment hard drive
For better results, scan the hard drive before you
defragment it.
To optimize your hard drive, select
Defragment hard
drive.
You will be informed when the defragmentation is
completed.
Format hard drive
When the hard drive is formatted, all data on the drive is
permanently lost. Back up data you want to keep before
formatting the hard drive. You can use Nokia PC Suite to
back up data to a compatible PC. If your device needs to be
repaired or replaced, a back-up copy is required to restore
data protected by digital rights management technologies
(DRM).
To format the hard drive, select
hard drive
>
Quick format
format
to completely clean the disk. This may be necessary
if you give your device to someone else and you want to
erase all the personal data first. Use
you have disk corruption problems. If corrupted sectors are
found,
Full format
will isolate those sectors to prevent
further problems. Use
Quick format
formatted disk just to quickly erase the content.
Options
>
Tools
>
Options
>
Tools
>
Format
or
Full
format. Use
Full
Full format
also if
for a previously
Copyright © 2006 Nokia. All rights reserved.
Formatting is not a 100% safe way to destroy confidential
data. Standard formatting only marks the formatted area
as available space and deletes the address to find the files
again. The recovery of formatted or even overwritten data
may still be possible with special recovery tools and
software.
Digital rights management technologies may prevent some
back-up data from being restored. Contact your service
provider for more information about DRM used for your
content.
Digital rights management (DRM) protected content
comes with an associated activation key that defines your
rights to use the content.
If your device has WMDRM protected content both the
activation keys and the content will be lost if the device
memory is formatted. You may also lose the activation keys
and the content in case the files on your device get
corrupted. Losing the activation keys or the content may
limit your ability to use the same content on your device
again. For more information, contact your service provider.
If your device has OMA DRM protected content, the only
way to back up both the activation keys and the content is
to use the backup feature of Nokia PC Suite. Other transfer
methods may not transfer the activation keys which need
to be restored with the content for you to be able to
continue the use of OMA DRM protected content after the
115

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