Question Gpu doesn't let pc boot

Dec 24, 2022
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Recently my psu died and i have replaced it (650w) but when i tried to turn on my computer it didn't even post. I unplugged the gpu 8 pin and left it in the pci-e slot and it everything worked except the gpu as it had no power (Tried DDU, no results), what could be the problem?
 
Dec 24, 2022
14
1
15
if i seemed offended i'm sorry, english isn't my first language.
when the psu died i was playing some games and there were no video problems before that, just some decently high temps that were caused by the thermal paste.
 
Dec 24, 2022
14
1
15
if i seemed offended i'm sorry, english isn't my first language.
when the psu died i was playing some games and there were no video problems before that, just some decently high temps that were caused by the thermal paste.
i forgot to mention but while the psu was in delivery i changed the cards paste
 
Dec 24, 2022
14
1
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No you are ok, some people get upset because they are frustrated with so many questions. Do oyu have another pc, or a friends, that you can test your gpu in to see if it works?
i do not have another pc and my friends live far away
i tested the pc with a different gpu( a older one with no additional power) and got into windows no problem