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Windows 7: Installed evga Nvidia GTX 470 and PC won't boot

27 Dec 2010   #11
Evilhugbear

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by Ivan the SoSo View Post
The card should work...despite what the internal video is set on...if you disable it and the card doesn't work you've got nothing but black screens...hope you have a clear cmos jumper on the motherboard....

Your old card works....right?....the only difference is the new card uses more power....if a different power supply doesn't work...It's RMA time....
I have a clear cmos button on the back. Do you want me to clear the cmos?


My System SpecsSystem Spec
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27 Dec 2010   #12
Ivan the SoSo

windows 10 pro 64 bit
 
 

No...and don't disable the onboard either....its hard to work with the setting when you can't see anything...Do you have any different power supply around even if it is too weak to run the card and computer?
My System SpecsSystem Spec
27 Dec 2010   #13
Evilhugbear

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by Ivan the SoSo View Post
No...and don't disable the onboard either....its hard to work with the setting when you can't see anything...Do you have any different power supply around even if it is too weak to run the card and computer?
Yes, my brother's old PSU is 430 watt.
My System SpecsSystem Spec
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27 Dec 2010   #14
Ivan the SoSo

windows 10 pro 64 bit
 
 

on the 20 pin motherboard connector there is a green wire(some are gray) that is the power good wire....ground that wire to a black wire....plug in the old power supply and turn it on....fan/any lights should come on...turn it off...use the molex to six pin adapters that usually comes with the card...with the system open and off, plug those into the card...turn the old PSU on ...try to boot....
for a better look: Info: Can I use two Power supplies with one computer?? - Overclock.net - Overclocking.net this will take most of the load off your system PSU but not overload the old one....Test First! Look at the illustration in the link!
My System SpecsSystem Spec
27 Dec 2010   #15
Evilhugbear

Windows 7 Ultimate x64
 
 

Are you sure it is a PSU problem? My dad doesn't want to try the dual PSU thing
My System SpecsSystem Spec
27 Dec 2010   #16
Ivan the SoSo

windows 10 pro 64 bit
 
 

Quote   Quote: Originally Posted by Evilhugbear View Post
Are you sure it is a PSU problem? My dad doesn't want to try the dual PSU thing
I can understand that.

Without trying another PSU the only thing you can do is RMA the card....if the new one doesn't boot replace the power supply.
My System SpecsSystem Spec
27 Dec 2010   #17
Evilhugbear

Windows 7 Ultimate x64
 
 

I tried installing it in my brother's PC but he gets no picture as well. I guess I need to RMA?
My System SpecsSystem Spec
27 Dec 2010   #18
Ivan the SoSo

windows 10 pro 64 bit
 
 

RMA time...sometimes you just get a bad one....
My System SpecsSystem Spec
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 Installed evga Nvidia GTX 470 and PC won't boot




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