pigo1973 Posted October 1, 2008 Share Posted October 1, 2008 I recently bought Powercolor 4850 PCS 512Mb. I installed the card, installed the drivers, everything worked fine. After 1 hour, LCD screen went black; fan on card went to full speed. I restarted my computer and nothing was shown on the screen, in fact there was not a POST or boot process. Fans were running on CPU and case, but fan on graphic card was not running. I replaced card at retail store where I bought the first one. I went through same process of installation... again everything worked fine. After 3 days same thing happened. Black screen, fan on graphic card went to full speed, after restart card was dead! Retail now doesn't want to give me a new card and it claim that my PSU is faulty and it is almost impossible that 2 graphic cards are faulty!!! :mad: Nothing was overclocked or modify in any way. Case is well ventilated with 2 x 120mm vents (+ one on PSU) Any suggestions what is going wrong here?? How can I be sure that my 520HX PSU is working normally. Any problems reported using combo (MBO, VGA, PSU) similar to mine?? Thanks Link to comment Share on other sites More sharing options...
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