New gpu refuses to work

Justasxz

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Jul 8, 2015
52
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4,530
Okey guys so i have one huge problem. I got m2n—mx motherboard which ran 7300le before but it died so i decided to buy cheap alternative and i also changed my psu from 350W to 500W i got 640gt i know for a fact that this psu is more than capable of running this gpu so yeah i connected this new gpu fan spins everything works but no display then i tried connecting to integrated gpu it also didnt work then i reset my bios with jumper integrated gpu started working i changed priority in bios so it prioritizes integrated gpu ten it booted with new gpu i changed drivers etc and it recognized gt 640 but if i connect cable to gt 640 it doesnt open any files only show blank windows i can open start menu windows 8.1 btw but even if windows are open it wont open and i cant flash bios usb booting doesnt work and alt +f2 doesnt find cd that i put in any help would be awesome
 

Justasxz

Reputable
Jul 8, 2015
52
0
4,530
Amd athlon 64 x2 4000+ 3 sticks of ram who know what brand they are totaling 3,5 gb of memory m2n—mx mobo intertech 500W psu and 80gb hdd thats short specs list
 

Justasxz

Reputable
Jul 8, 2015
52
0
4,530
It only lets me select priority of boot either pcie first then something then igpu or igpu first then something then pcie in northbridge controller i also said that only when setting it to prioritize igpu it boots if pcie is as default it doesnt even beep when starting no display cant even reach bios in order ro reach biosi have to remove gt640 anaresetd reset it with jumper
 

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