Philips 202P4 - H;V Rolling, H;V Sync

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General Troubleshooting Guide
202P4 M25P
H/V Rolling,
H/V Sync.
NO
END
Video system
problem
NO
1. Turn off monitor.
2. Disconnect
signal cable.
3. Turn on monitor.
Does rolling occur
in the self test ?
(warning signal..)
YES
Check video cable for
bent pins, reseat to
system video and
power system.
Try to go into the
Dos Prompt.
It is need to check and
repair the monitor.
"H/V rolling" or
"Sync. problem" ?
YES
1. Try system with
another monitor.
2. Try monitor with
another system.
Monitor related ?
YES
It is need to check and
repair the monitor.
NO
: Make sure that the
Video system doesn't
select a driver that is
outside the Monitor H/V
scan range while going
into windows.
Run Windows by using basic
VGA mode
(like 640 x 480)
"H/V rolling" or
"Sync. problem" ?
YES
NO
END
1. Try system with
another monitor.
2. Try monitor with
another system.
Monitor related ?
YES
It is need to check and
repair the monitor.
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