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Ever since I upgraded my brother's pc using the GPU linked above his videos and movies are discoloured looking like there is a green and purple colour problem and a ghost a few inches to the right of the scene.
His games are also crashing.
I really need help on how to solve this problem.
CPU - Intel Pentium D 3.4GHz
RAM - 1GB DDR PC2-4300
HDD - 2 x 250GB
PSU - 480W
OS - Windows XP Media Centre 2005