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Troubleshooting Overview
Should you have any problems with your computer, before consulting your service representative, you may want to try
to solve the problem yourself. This chapter lists some common problems and their possible solutions. This can't anticipate
every problem, but you should check here before you panic. If you don't find the answer in these pages, make sure you
have followed the instructions carefully and observed the safety precautions in the preface. If all else fails, talk to your
service representative. You should also make a record of what happened and what remedies you tried.
Of course, if something goes wrong, it will happen at the most inconvenient time possible, so you should preview this
section just in case. If, after you've tried everything, and the system still won't cooperate, try turning it off for a few
minutes and then rebooting. You will lose any unsaved data, but it may start work-ing again. Then call your service
representative.
Basic Hints and Tips
Many of the following may seem obvious but they are often the solution to a problem when your computer appears
not to be working.
• Power - Is the computer actually plugged into a working electrical outlet? If plugged into a power strip, make sure
it is actually working. Check the LED Power & Communication Indicators to see the computer's power status.
• Connections - Check all the cables to make sure that there are no loose connections anywhere.
• Power Savings - Make sure that the system is not in Hibernate or Standby mode by pressing the keys configured in your
Power Options, the Fn + F4 key combination, or power button to wake-up the system.
• Brightness - Check the brightness of the screen by pressing the Fn + F8 and F9 keys to adjust the brightness.
• Display Choice - Press Fn + F7 to make sure the system is not set to "external only" display.
• Boot Drive - Make sure there are no floppy disks in any connected drive when you start up your machine (this is a
common cause of the message "Invalid system disk - Replace the disk, and then press any key" / "Remove disks or other
media. Press any key to restart").
Backup and General Maintenance
• Always backup your important data, and keep copies of your OS and programs safe, but close to hand. Don't forget
to note the serial numbers if you are storing them out of their original cases, e.g. in a CD wallet.
• Run maintenance programs on your hard disk and OS as often as you can. You may schedule these programs to run
at times when you are not using your computer. You can use those that are provided free with your OS, or buy the more
powerful dedicated programs to do so.
• Write down your passwords and keep them safe (away from your computer). This is especially impor-tant if you choose
to use a Supervisor password for the BIOS.
• Keep copies of vital settings files such as network, dialup settings, mail settings etc.(even if just brief notes).
Warranty
The CPU is not a user serviceable part. Opening this compartment, or accessing the CPU in any
way, may violate your warranty.
Viruses
• Install an Anti-Virus program and keep the definitions file (the file which tells your program which viruses to look for)
up to date. New computer viruses are discovered daily, and some of them may seriously harm your computer and cause
you to lose data. Anti-Virus programs are commercially available and the definitions file updates are usually downloadable
directly from the internet.
PRESTIGIO NOBILE 1580W
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