Tools114anything else and connect it to a charger and keep thecharger connected while your device formats the harddrive.To format the hard drive, select Options > Quick formator Full format. Full format scans the drive for errorsbefore formatting. Full format deletes all the informationfrom the disk without scanning the disk first. Use thisoption for a previously formatted disk and if you are surethe disk is not damaged.When the hard drive is formatted, all data on the drive ispermanently lost. Back up data you want to keep beforeformatting the hard drive. You can use Nokia PC Suite toback up data to a compatible PC.Activation keys forcopyright-protected filesCopyright protections may prevent some images, music(including ringing tones), and other content from beingcopied, modified, transferred or forwarded.To view the digital rights activation keys stored in yourdevice, press , and select Tools > Actv. keys and fromthe following:Valid keys—View keys that are connected to one or moremedia files and keys whose validity period has not startedyet.Invalid keys—View keys that are not valid; the time periodfor using the media file is exceeded or there is a protectedmedia file in the device but no connected activation key.Not in use—View keys that have no media files connectedto them in the device.To buy more usage time or extend the usage period for amedia file, select an invalid activation key and Options >Activate content. Activation keys cannot be updated ifWeb service message reception is disabled. See ‘Webservice messages’, p. 56.To view detailed information, such as the validity statusand ability to send the file, scroll to an activation key, andpress the joystick.