Acer V173 User Manual download pdf (Page 27)

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Troubleshooting

Before sending your LCD monitor for servicing, please check the

troubleshooting list below to see if you can self-diagnose the problem.

VGA mode

ProblemLED statusRemedy

No picture visibleBlueUsing the OSD, adjust brightness and

contrast to maximum or reset to their

default settings.

OffCheck the power switch.

Check if the power cord is properly

connected to the monitor.

AmberCheck if the video signal cable is

properly connected at the back of

monitor.

Check if the computer system is

switched on and in power saving/

standby mode.

Unstable pictureCheck if the specification of graphics

adapter and monitor is in compliance

which may be causing the input signal

frequency mismatch.

Abnormal pictureImage is missing,

off-center, too

large or too

small on the

screen.

Using the OSD, adjust focus, clock, H-

position and V-position with non-

standard signals.

Check the display setting on your

system. In case of a missing image,

please select another resolution or

vertical refresh rate.

Wait for a few seconds after adjusting

the size of the image before changing

or disconnecting the signal cable or

switching off the monitor.

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Acer V173 User Manual Page 27