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Troubleshooting
8 - 2 Basic Hints and Tips
8
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 (see
“LED Power & Communication Indicators” on page 2 - 3) 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 (see “Configuring the Power Button” on page 3 - 20), the Fn
+ Esc key combination, or power button to wake-up the system.
• Brightness - Check the brightness of the screen by pressing the Fn + F9 and F10 keys to adjust the
brightness (see “Advanced Video Controls” on page 3 - 2).
• Display Choice - Press Fn + F6 to make sure the system is not set to “external only” display (see
“Function Key Combination” on page 3 - 9).
• Boot Drive - Make sure there are no floppy disks in the drive (if you have one connected) 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”).