I have an old hp pro which i bought a Radeon hd 7470 for to help with basic gaming and YouTube. when i installed it it was on 100% fan all the time, didnt give a video output and wont be detected in device manager. i have installed the hp support software (which didnt help at all), manually updated the bios, installed the amd gpu patch driver and the official hd 7470 graphics driver and even manually cleaned the pcie connector and port but so far have had no luck getting it working.
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