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Would a 750W help me, or my PC is "dead"

Tags:
  • Power Supplies
  • Computers
  • Graphics Cards
  • Motherboards
  • Graphics
Last response: in Graphics & Displays
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May 11, 2014 10:27:09 PM

Hello I recently purchased a computer and my mistake was that I used a 500W psu when I had a gtx 770, now the computer worked fine 1 day but later the graphic card showed no signal to the monitor then I changed using the motherboard and did showed signals for a couple of minutes, now I don't get any signals from both. And I am wondering if I buy a better psu (750W) and change it with the one I already have, would that make my graphic card work again or is my computer "dead"? I mean there's nothing I can do now...
Please help :) 

More about : 750w dead

a c 122 ) Power supply
a c 250 U Graphics card
a c 374 V Motherboard
May 11, 2014 10:31:08 PM

Post your build - per forum guidelines
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May 12, 2014 3:00:49 AM

i7Baby said:
Post your build - per forum guidelines


sure, my build was:
i5-4670K
Msi gtx 770 2gb/oc
8GB Ram
500HDD + 120 GB SSD
Corsair CX 500W PSU
ATX 12V V2.3, 80 Plus Bronze , Standard. 2x 6+2pin PCIe, 5x SATA, 4x Molex
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Related resources
a c 78 ) Power supply
a c 343 U Graphics card
a c 370 V Motherboard
May 12, 2014 3:01:26 AM

was or is?

Have you tested your old power supply?
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Best solution

a c 122 ) Power supply
a c 250 U Graphics card
a c 374 V Motherboard
May 12, 2014 3:45:54 AM

For a pc with a gtx 770 in it you need a power supply that can deliver at least 42A in the 12V rail and a total of 600W.
Get a good reliable psu from Tier One - http://www.tomshardware.com/answers/id-1804779/power-su... eg Antec HCG 620M

To test your current power supply downloads and run HWInfo and tell us the min and max values for the 12V, 5V and 3.3V rails. Hopefully they won't be any more than 0.2V from their target value.
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May 12, 2014 7:47:10 AM

unknownofprob said:
was or is?

Have you tested your old power supply?


kinda "was".. because I am not sure if I spend for another PSU my computer will work again.. so Ill just get my money back and get a new pc..
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a b ) Power supply
a c 188 U Graphics card
a b V Motherboard
May 12, 2014 10:37:31 AM

You probably won't get your money back because anything that was damaged was due to you using a too weak power supply for the system. While you may be able to get things returned, if they check on things, you will get billed for the parts.

You should test the video card in another system that's powerful enough to run the video card. If it works there, you should get a power supply good enough for the 770 and it should run in your system.
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