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The picture seems to be constantly moving.
1. The monitor has lost its vertical sync. Adjust the monitor’s vertical
sync.
2. Move away any objects, such as another monitor, speakers or fan,
that may be creating a magnetic field around the display.
The screen seems to be constantly wavering.
1. If the monitor is close to another monitor, the adjacent monitor may
need to be turned off. Fluorescent lights adjacent to the monitor may
also cause screen wavering.
Power Supply
When the computer is turned on, nothing happens.
1. Check that one end of the AC power cord is plugged into a live
outlet and that the other end is properly plugged into the back of the
system.
2. Make sure that the voltage selection switch on the back panel is set
for the correct type of voltage you are using.
3. The power cord may have a “short”. Inspect the cord and install a
new one if necessary.
Floppy Drive
The computer cannot access the floppy drive.
1. The floppy diskette may not be formatted. Format the diskette and
try again.
2. The diskette may be write-protected. Use a diskette that is not write-
protected.
3. You may be writing to the wrong drive. Check the path statement to
make sure you are writing to the targeted drive.
4. There is not enough space left on the diskette. Use another diskette
with adequate storage space.
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