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Screen Flickering Blowing Graphics Cards

\015 Hi Guys, I have a Phillips LS2400 pc which has a bad screen flicker and has blown two ATI graphics cards over the two years I've had it. I have just installed a new NVIDIA GeForce 8500GT graphics card hoping to slove the problem but the screen is still flickering and I'm concerned this card is likely to fail. Could you please advise what the likely cause of this flickering is? I have downloaded the latest drivers for the new graphics card but this has made no difference. Your help would be appreciated. Many thanks regards Jay\015

Answers :

Its u r motherboard there some loose connection problem ..
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