
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 ap-
pears 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 Indicators
“LED Indicators” on page 1 - 7
) 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
Sleep
mode by pressing the keys config-
ured in your P
ower Options
“Power-Saving States” on page 3 - 7
), 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 bright-
ness.
•
Display Choice
- Press
Fn
+
F7
to make sure the system is not set to “external only” display.
•
Boot Drive
- Make sure there are no
optical media and/or USB storage devices
in any connected drive.
Summary of Contents for MUSTANG W640SR
Page 1: ...User Manual MUSTANG W640SR NOTEBOOK...
Page 2: ......
Page 20: ...XVIII Preface...
Page 68: ...Quick Start Guide 1 36 1...
Page 116: ...Power Management 3 26 3...
Page 224: ...Interface Ports Jacks A 6 A...
Page 254: ...Video Driver Controls C 24 C...