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Computer won't load when I have my Graphics card powered.

Last response: in Motherboards
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January 11, 2013 9:54:04 PM

I have a p8z77-v
Radeon 7950 saphire
intell 3570
rosewill 550 PSU

Everytime I plug in my Power cord to the Graphics card I can't load and my mobo MemOk turns red. this is sign that the ram is bad. I pull out the power supply and everything goes great. the boot device Led light goes on but that probably because i have a SSD drive only. I just don't know why it won't recognize and use the VGA slot. Any Ideas? Also my rig is peged at 383 w and the PSU is 550. So I don't -THink- that is the issue.
a b U Graphics card
a b V Motherboard
January 11, 2013 9:56:42 PM

What is the exact model of that PSU?
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January 11, 2013 10:22:22 PM

Rosewill MODEL HIVE 550 ( 80plus Bronze)
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a b U Graphics card
a b V Motherboard
January 11, 2013 10:40:56 PM

Just checking the basics, here. Do you have both 6-pin power connectors connected? Have you tried both PCIe slots?
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January 11, 2013 10:49:03 PM

cball1311 said:
Just checking the basics, here. Do you have both 6-pin power connectors connected? Have you tried both PCIe slots?



Not both slots but that was because my manual said that the fastest was the top navy blue slot. Yes, i have both power cords plugged in I have been checking it far too often for my own mental health
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a b U Graphics card
a b V Motherboard
January 11, 2013 10:51:26 PM

The white slot is an PCIeX8, the difference in speed is unnoticeable to the naked eye. Try it in there and see what happens. If not, try even the black slot (X4). Each one should work.
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January 12, 2013 12:47:47 AM

I think the problem is voltage. Hear me out the Roswell is 550 but it only has 38w over the 12v line. I think i need 42v for this video card. Off to microcenter tomorrow. Ill come back here and let you know if it works.
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a b U Graphics card
a b V Motherboard
January 12, 2013 2:02:55 AM

If you are getting a new power supply try for a Seasonic, Corsair, or Antec at 600-700 Bronze or better.
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