Screen periodically tweaks out with the HD5770 Tags: Radeon Power Supplies Graphics Last response: April 4, 2010 5:05 PM in Graphics & Displays Share frostedone March 23, 2010 2:10:39 PM Ever since I upgraded my GPU from an Nvidia 9800gt to the Ati HD5770 my screen has been tweaking out like every 5 minutes. The 5770's minimum power supply requirements is 450 watts, and I was originally using a 400 watt power supply. I thought that was my problem so yesterday I bought an Antec 650 watt power supply and it still has this problem. Basically my monitor will freeze (except for the mouse usually), then it will get these jaggy lines on some parts of the screen then shut off and turn back on a couple seconds later. This happens like every 5 minutes. I am using the latest ATI drivers too. I can play games ok, but videos sometimes cause this screen crashing too. My PC: Vista 64 XFX Radeon HD5770 with latest XFX drivers/Catalyst. Core 2 Quad Q9300 6GB RAM Gateway 19 inch widescreen LCD monitor. 1440X900. VGA cord with a DVI converter attachment on each end. Nothing is overclocked. Please help, this is getting really annoying. Thanks a lot. More about : screen periodically tweaks hd5770 Starges March 23, 2010 2:17:25 PM My 5770 doesn't work well with the latest drivers. I had to install lower version drivers (9.8) and it now works OK. Did you use Drive Sweeper to uninstall the previous drivers or did you just upgrade? m 0 l frostedone March 23, 2010 3:09:06 PM I just upgraded. I think I will try Drive Sweeoer then load the 9.8 drivers. Thanks a lot! m 0 l Related resources Getting slashes across my screen periodically throughout gameplay. - Forum Screen Goes Black Periodically - Forum Full screen games periodically minimizing with error sound - Forum Screen Goes Black Periodically - Forum Whiting out Laptop Screen - Forum Can't find your answer ? Ask ! Get the answer Anonymous a b ) Power supply March 25, 2010 4:37:56 PM Same problems as frostedon. Plus i have to add that I use windows7, and when i try the Windows Experience Index my pc crashes. Funny thing is taht before i install the vga driver, and run the test it finishes. after installing the driver my pc crashes. Can you give me the link to the older drivers please ? m 0 l Anonymous a b ) Power supply March 25, 2010 5:34:30 PM Oh damn I uninstalled all the previous drivers, did Drive Sweeping from safe mode, then installed the 9.8 catalyst version which finished succesfully. But the computer didn't offer me a reboot, so i did it mannually, and now the system doesn't recognize my VGA card. How is that possible ? m 0 l frostedone April 4, 2010 5:05:03 PM I don't know what is wrong with your PC. Sorry. Even after installing the old drivers my screen still tweaks out, but not as often now. Still, I wish ATI would fix this issue. m 0 l Can't find your answer ? Ask ! Publish Related resources HD5770 Black screen sound plays, can still talk with people on skype etc? Forum is it safe to clean out the dll cache periodically ? Forum XFX Radeon HD5770 Grey screen, no video Forum SolvedBlack screen on startup after overclocking with Asus GPU Tweak Forum Solvedhow do I find out what is making my flat screen turn itself on and off randomly? Forum Grey Screen When Gaming With HD5770 Help Forum SolvedConnecting pc VGA out to 2 HDMI flat screens tv's Forum Solvedrun arma 2 without greyed out screen Forum SolvedScreen black out while gaming Forum Poor framerates due to burnt out HD5770? Forum SolvedComputer restarts on its own, loads Startup, then screen blacks out Forum HD5770 screen flicker then black screen HELP!!!!!!! Forum SolvedFinally got screen to pop with out graphics. Forum Black screen HD5770 Forum Intermittent blank screen with ATI Radeon HD5770 Forum More resources Read discussions in other Graphics & Displays categories Ati GPUs Graphics Cards Gtx HD Monitors SLI Crossfire Tuner Cards Radeon Video Diamond Multimedia Matrox Nvidia Palit PowerColor Asus Games !