Digital Equipment STARION 20 Series, Service Maintenance Manual

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Troubleshooting Digital STARION 9xx & 20xx PC
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CD-ROM Troubleshooting
Problem Possible Cause Action
Cannot access
the CD-ROM
drive. Error
message reading
drive X Device drivers not installed.
Disc is dirty or damaged.
Install correct device drivers.
Carefully clean the disc using appropriate
materials. Also try another disc.
Power is on but
indicator shows
no activity No disc in the CD-ROM drive.
Cables are loose or incorrectly
connected.
Insert a disc.
Properly connect all cables.
Audio Troubleshooting
Problem Possible Cause Action
Nothing seems
to work Address contention. Two or more
devices may be trying to access
the same address.
Device drivers missing or
improperly installed.
Cables improperly connected or
not fully connected.
Check IRQ, I/O address and DMA settings.
Change settings as required.
Reinstall device drivers.
Check cable connections for proper location.
Reconnect cables. Refer to manufacturers
documentation.
Audio does not
work Sound, MIDI, mixer drivers not
installed.
Cables loose or not properly
connected.
Check the error messages for the necessary drivers.
In Windows Control Panel, select “Drivers”, then
“Add” and install the necessary driver(s).
Make sure speaker and mic plugs are in correct
jacks. Reconnect cables.
Voice sounds
distorted Microphone or telephone
handset too close to mouth. Move the telephone mouthpiece 2 to 3 inches
away from the mouth, when speaking. When
using the microphone, make sure that it is
positioned 1 to 2 feet away from the mouth.
Speakers squeal
when computer
is turned off Normal operation. No corrective action required.