HP Armada 4200 Armada 4100 and 4200 Families of Personal Computers Maintenance - Page 45

Troubleshooting Without Diagnostics, Solving Minor Problems

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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: s Audio s Battery/Battery gauge s Diskette/Diskette drive s Pointing device s Memory s PC Card s Hard drive s CD-ROM drive s Power s Printer s Hardware installation s Infrared connection s Screen (LCD and CRT) s Software s 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 No action is required. successful completion of the Power-On Self-Test (POST). Computer does not beep after Speaker volume is off or has the Power-On Self-Test been turned down. (POST). 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. Troubleshooting 2-17

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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.