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PC does not power up with GPU installed

Tags:
  • Power Supplies
  • Intel i5
  • Power Up
  • Systems
  • Corsair
  • GPUs
Last response: in Systems
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May 7, 2014 8:28:56 PM

Hey, I recently upgraded my PC -

Original Build:

CPU: I3 2100 3.1Ghz
RAM: 8gb 4x2gb (Brand unknown)
HDD: Western Digital 250gb 7200rpm
GPU: Sapphire HD 7770 Ghz Edition 1gb
PSU: Evo Labs 550W ATX
Motherboard: Gigabyte Z77-DS3H

New Build:

CPU: I5 3570 3.4Ghz
RAM: 8gb - Corsair Vengeance 2x4gb 1600mhz
SSD: 240gb Kingston
GPU: Sapphire HD 7770 Ghz Edition 1gb
PSU: Evo Labs 550W ATX
Motherboard: Gigabyte Z77-DS3H


Now my problem. When ever I install my GPU the PC does not power up, literaly nothing happens other than the case fans would spin for a split moment then go lifeless. This would be the same if I installed a older GPU that does not require a 6 pin power input (GeForce 8500 GT) but having my DVD drive installed also.

I found installing the 7770 with nothing else other than the SSD and ONE case fan. It does not power up.
If I installed a older GPU and nothing else, it would power up unless I installed my DVD drive.
Even without any GPUs or DVD drive installed the PC does power up, but the fans slowly get up to speed.

Is this a clear sign that my PSU is on it's way out? As far as I know the 550w is enough for this system. I have had the PSU for 18 months.


On another note. I did not have this problem before I upgraded. I also don't have any other PSU that is sufficient enough to test.

More about : power gpu installed

Best solution

a c 2488 ) Power supply
May 7, 2014 8:33:15 PM

That is a very very poor power supply , replace it with a reliable one.

Made by the best SEASONIC.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ NCIX US)
Total: $59.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-05-07 23:33 EDT-0400)
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