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Another common problem is loose internal computer connections, which commonly occur after transporting the computer. Keeping the possible consequences to your warranty in mind, as well as all safety precautions, you may wish to refasten the internal connectors, with care. Be careful though: disconnect the power cable first, and wait for the high voltage to drop. Ground yourself to the computer with an
Viruses
Regrettably, there are some malicious people who program and distribute viruses, solely to cause damage. Check your drives regularly for viruses, especially if you download data from the Internet. Not all virus programs are able to detect macro viruses, and others which are, as yet unknown, to virus protection software developers.
Re-installing or Updating the Operating System
It is possible that as a result of a crash, or installation error, the operating system will become unusable. If this happens,
To do so, restart your computer using the Mac OS X Installation CD (insert the CD and select it as the start volume in the corresponding control panel; or on newer Macs, simply press Command during the restart) and
Sometimes, the problems simply come down to the operating system. You can usually find updates for your operating system online, where they can be downloaded free of charge.
Formatting the Hard Disk
Formatting the hard disk is the absolute last resort you should attempt, before sending the computer for repair. This will erase all files on your hard disk, and any garbage data that may be causing your problems.
The formatting process will erase all files, so make backups of all files and programs
To format the internal hard drive, you will need to start your computer from another drive, either from the
Important: Please keep in mind that invisible software authorizations cannot be
Appendix C Optimizing Your Computer Audio System
