GPU Upgrade Problem

Hi everyone,

After installing a new GPU the PC has gotten really slow. I changed the power supply to see if it solved the problem but nope, it didn't. I put the old GPU back in and its fine. I also done a clean install of windows to check if it was a drivers clash.

The computer is a Compaq Presario sr1639uk with the following spec:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00526415&tmp_task=prodinfoCategory&lc=e
n&dlc=en&cc=uk&product=1147958

The graphics card was upgraded from a NVidia GeForce 6200SE to an ASUS ATI HD 4350.

Anyone know what the problem is?
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More about upgrade problem
  1. What do you mean by really slow?
    Just make sure you have the correct driver, or you can try that card in different PC, just to make sure whether the card is fine or not...
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