Shake/flickering of the screen.

Since I bought my new computer, the screen flickers or shakes annoyingly. It happens only if I'm only on my desk, nothing doing, but if I start using Google Chrome for example, the screen begins to blink a lot, it becomes even more intense if I watch a video.

Luckily I found a temporary solution for this: let my computer go on screen saver. The screen stops flashing for as long I have my power supply of the computer on (even if I put it on sleep), but if I shut down or restart my computer, I have to wait again, screen saver to correct flicker.

Have to wait for my computer go to the screensaver really bothers me whenever I turn it on even if I put the screen saver timeout for only 1 minute.

I'm suspecting that it is caused by my graphics card, but not quite sure. I tried with another monitor, but it still happens, so it's not caused by my monitor.

I have Windows 7 with ATI Sapphire Radeon HD 6870. My monitor is LG IPS225.

Is this a known problem and is there a solution permanent for this?

EDIT: My screen is off, do not go on the screen saver.

Control Panel-> hardware and sound-> power-> Settings.This of Plan Options change are where I change the timer to 1 min when I turned on my computer and then change again to where I normally keep it's 10 min.

First, turn off and unplug all cables from your PC.  Hold the button for 7 seconds.  Open the PC.  Remove the video card and reinsert it firmly.  Make sure that the cables that connecting now are correctly connected.  While you're there, you can do the same "re-Assisi" of all the plug-ins including caps and memory, hard drive controller plugs, etc.

This could be a driver problem.  There may be an update to the driver.  Try to roll back the previous driver if it is available.

Manager devices, right click on the ATI device, choose Properties, and then choose restore.  It is also possible that there is a newer driver available on the ATI site, which solves this problem.

I believe that the most likely cause is your videocard itself.  Check to see if it still under warranty.  It could very well be.

Moreover, the screen save time-out is definable.  You can even go to this place and click a button to enter this mode temporarily.

Tags: Windows

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