Troubleshooting
7 - 2 Basic Hints and Tips
7
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 Indicators
(see
“LED
Power & Communication Indicators” on page 2 - 8
) to see the computer’s battery 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
Fn + Esc
key combination (see
Standby
and
Hibernate
3 - 22
), or by pressing the power button,
to wake-up the system.
•
Brightness
- Check the brightness of the screen by pressing the
F3 + F4
keys to adjust the bright-
ness (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
“Switching/Enabling Displays (Keyboard)” on page 3 - 9
).
•
Boot Drive
- Make sure there are no
floppy disks
in the 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
”).
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