Alienware Sentia 244 User Manual page 33

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Be sure you have not performed an incorrect setting on
the hardware devices in the BIOS Setup utility. A faulty
setting may cause the system to misbehave. If you are
not sure of the changes you made, try to restore all the
settings to factory defaults.
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Be sure all the device drivers are installed properly. For
example, without the audio driver properly installed, the
speakers and microphone will not work.
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If external devices such as USB camera, scanner, and
SCSI card do not function correctly when connected to
the system, it is usually the device's own problem.
Consult the device's manufacturer first.
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Some software programs, which have not gone through
rigorous coding and testing, may cause problems during
your routine use. Consult the software vendor for
problem solving.
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Not all peripheral are plug-and-play capable. You need
to restart the system with these devices powered up and
connected first.
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Be sure to go to BIOS SETUP and load DEFAULT
SETTING after any BI OS updated.
Section 2 TROUBLE SHOOTING
2-3