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Troubleshooting
2-17
2.7 Troubleshooting Without Diagnostics
This section provides information about how to identify and correct some common
hardware, memory, and software problems. It also explains several types of common
messages that may be displayed on the screen. The following pages contain
troubleshooting information on:
■
Audio
■
Pointing device
■
Battery/Battery gauge
■
Memory
■
Diskette/Diskette drive
■
PC Card
■
Hard drive
■
Power
■
CD-ROM drive
■
Printer
■
Hardware installation
■
Screen (LCD and CRT)
■
Infrared connection
■
Software
■
Keyboard (Numeric keypad)
2.7.1 Solving Minor Problems
Some minor problems and possible solutions are outlined in the following tables. If the
problem appears related to a software application, check the documentation provided
with the software.
Solving Audio Problems
Some common audio problems and solutions are listed in the following table.
Table 2-15
Solving Audio Problems
Problem Probable Cause Solution(s)
Computer beeps once after
you turn it on.
This is typical; it indicates
successful completion of the
Power-On Self-Test (POST).
No action is required.
Computer does not beep after
the Power-On Self-Test
(POST).
Speaker volume is off or has
been turned down.
Beeps have been turned off.
If the speaker icon is not displayed on the
display, press
Fn
+
F5
to adjust the volume.
Run Computer Setup and turn on beeps.