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Screen Flicker on XP Desktop

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4 replies

by sbrundell

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Just recently my desktop image starts to flicker after a few minutes affecting the bottom 2/3 of the screen. At this point no driver, software or hardware changes had been made. I checked all leads and the problem recurred after swapping the DVI to analogue on my TFT. I changed my Radeon 8500 to a 9600 and it's still happening still just affecting the desktop image (standard or XP plus image) and I have to turn the monitor off and then on again to be able to click on any of the my icons. The TFT is set a 1280X1024 at 60Hz as it always has been.

4 replies

by pierrejamme

Just a couple of ideas to try:
1.) get rid of any desktop fans, especially near the monitor
2.) don't run an electric space heater on the same circuit
3.) use a "UPS" to stabilize the voltage

by sbrundell

No fans or heaters and monitor pluged into same sole power supply at home as for last 2 years.
Also just tried uninstalling Catalyst 4.3 and installing 4.2 drivers but still no improvement

by greybeard770

How old is the monitor? Have you tried swapping the monitor? Sometimes as a monitor ages it doesnt do high resolution (1280x1024) as well as it did when it was younger.

by otl

Think you may have answered your own question;

Plugged into the same sole power supply for over 2 years. UPS ? Surge suppressor ? Outlet ?

UPS - Could be testing batteries thus fipping between batteries and AC power, some can be set up to flip to batteries on the hour. Hourly would really mess with the monitor, with power changes that often.

Surge suppressor - Could be going bad depending on how many "HITS" it has taken.

Outlet - Bad power in your area would really mess with the monitor.

Of course the first 2 add in numerous electronic components with a chance of failure. Not to mention a bad ground on the outlet.

Try a different location/outlet for the monitor, if it clears up the problem....

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