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 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 Power 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
Sleep
mode by pressing the keys config-
ured in your P
ower Options
(see
“Configuring the Power Buttons” on page 3 - 9
Fn + F4
key combi-
nation, 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-
).
•
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
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
”).
Summary of Contents for NEPTUNE 4
Page 1: ...eu r o co m N eptu n e 4...
Page 2: ......
Page 84: ...Quick Start Guide 1 52 1...
Page 112: ...Storage Devices Mouse Audio 2 28 2...
Page 134: ...Power Management 3 22 3...
Page 162: ...BIOS Utilities 5 20 5...
Page 194: ...Upgrading The Computer 6 32 6...
Page 292: ...Troubleshooting 8 16 8...
Page 298: ...Interface Ports Jacks A 6 A...
Page 346: ...Specifications D 6 D...