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Troubleshooting; Solving Common Problems - Compaq 7500 Series Reference Manual

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Solving Common Problems

The following table lists possible problems, the possible cause of each problem, and the
recommended solutions.
Problem
Screen is blank.
Image appears
blurred, indistinct, or
too dark.
Color is abnormal.
Image is too large or
too small.
Image is not
centered.
Reference Guide
Possible Cause
Power cord is disconnected.
Power switch is off.
Video cable is improperly
connected.
Screen blanking utility is
active.
Brightness and contrast are
too low.
A magnetic object may be
nearby.
Monitor may have been
moved or inadvertently
bumped.
Horizontal width may need
adjustment.
Vertical height may need
adjustment.
Horizontal position may need
adjustment.

Troubleshooting

Solution
Connect the power cord.
Turn on power.
Connect video cable properly.
Depress any key on the
keyboard or move the mouse.
Press the SELECT button to
access the On-Screen
Display. Select the Brightness
and/or Contrast icons to
adjust as needed.
Move the object farther away.
Press the SELECT button to
access the On-Screen
Display. Select Degauss to
activate.
Compaq suggests you not
degauss more than once
within a 30-minute period of
time.
Press the SELECT button to
access the On-Screen
Display. Select H. Size to
adjust as needed.
Press the SELECT button to
access the On-Screen
Display. Select V. Size to
adjust as needed.
Press the SELECT button to
access the On-Screen
Display. Select H. Position to
adjust as needed.
A
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