Checklist For Solving Problems - Compaq Armada M300 series Maintenance And Service Manual

Checklist for Solving Problems

If you encounter a minor problem with the computer or software applications, go
through the following checklist for possible solutions:
Is the computer connected to an external power source, or does it have a fully
charged battery pack installed?
Are all cables connected properly and securely?
Did the diskette drive contain a nonbootable diskette when you turned on the
computer?
Are all the needed device drivers installed?
Are printer drivers installed for each application?
If the problem appears related to a software application, check the documentation
provided with the software.
Problem
Computer does not beep after the
Power-On Self-Test (POST).
Internal speaker does not produce
sound when an external audio
source is connected to the stereo
line-jack.
Table 2-8
Solving Audio Problems
Possible Cause
System beeps have been turned
down.
Volume may be turned off or set
too low.
Line input may not be connected
properly.
Headphones or speakers are
connected to the stereo speaker/
headphone jack, which disables
the internal speakers.
Volume may be muted
Solution
Use the Fn+F5 hotkeys to turn up the
system volume.
Adjust the overall volume by
pressing the Fn+F5 hotkeys.
Adjust the sliding mixer controls by
double-clicking the speaker icon on
the Windows taskbar.
Check line input connection.
Disconnect the head-phones or
speakers to enable the internal
speakers.
Uncheck the mute box in the volume
properties.
Continued
Troubleshooting 2-13