Error Message & Possible Solution; No Signal; Input Not Support - AOC A2072PWH User Manual

Problem & Question
Screen image is not centered or sized
properly
Picture has color defects
(white does not look white)
Horizontal or vertical disturbances on
the screen
CLOCK (pixel frequency) controls the number of pixels scanned by one horizontal sweep. If the
frequency is not correct, the screen shows vertical stripes and the picture has not correct width.
PHASE adjusts the phase of the pixel clock signal. With a wrong phase adjustment the picture has
horizontal disturbances in light picture.
For PHASE and CLOCK adjustment use "dot-pattern" or Windows XP/VISTA/7 shut-down mode
pattern.
ERROR MESSAGE & POSSIBLE SOLUTION

No Signal

1. Check that the signal-cable is properly connected. If the connector is loose, tighten the
connector's screws.
2. Check the signal-cable's connection pins for damage.

Input Not Support

Your computer has been set to unsuitable display mode, set the computer to display mode given in
the following table on page 34.
• Adjust H-Position and V-Position or press hot-key (AUTO).
• Adjust RGB color or select desired color temperature.
• Use Windows 95/98/2000/ME shut-down mode to adjust
CLOCK and PHASE.
• Press to auto-adjust.
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Possible Solution