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Very strange graphics card issue

Last response: in Graphics & Displays
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I have been tearing my hair out the past few days over various new problems building a friends system and finally decided to look for help!

My mates pc has the following spec

H61 Motherboard GA-H61MA-D2V
G2120 Pentium Chip (Ivy bridge dual core 3.1ghz)
2 4 Gb sticks of 1333 RAM
320Gb Sata2 hd
and a Geforce 650 power edition GTX
430 Watt corsair builder power supply

Right, where to start. His computer works perfectly using intergrated graphics but as soon as I put the Geforce 650 GTX in the display does come on but hangs on the pre-bios graphic display (the american megatrends logo).

This alone could have been the graphics card or the PCI Express slots issue BUT I tried the 650 into my pc and it booted fine. So I tried my 470 GTX (with my computers power supply which is a XFX 650 Watt) and the new build pc worked fine with that.

So that leaves the power supply not having enough power...... so i tried the 650 gtx with the 650 watt power supply and the same thing happened! I'm at a total loss. I've tried reseting the CMOS, theres no POST beep codes and I haven't got a clue how to diagnose the problem any further.

If anyone can help you'll be saving me from an early grave. I am kind of rushing typing this because I'm supposed to be going out so sorry if this is hard to understand.

Thank you!

Related ressources

I know PCI-e 3.0 card are "Supposed" to work in PCI-e 2.0 Boards but have seen some exceptions. Could it be a BIOS update is needed?
Of course, Id research the MB first if possible. BIOS updates are never fun lol. At least from me (And a few ppl i know) Experiences.

Im going to guess that when you tried the gtx 650 and the 430w PSU for the first time, something got toasted. Thus the combo of the gtx 650, his motherboard and the 430watt PSU no longer play nice together.

Since you already tried your 650w PSU on his motherboard, with his GTX 650, it sounds like the motherboard has gone bad.

Suggestions:
1) Your friend needs a bigger PSU (a 650w by XFX or Corsair will work good)
2) RMA or replace the motherboard

Well, the plot thickens..... Turns out, the G2120 isn't PCI 3.0 Compatible!

BUT what makes this even weirder is this:

http://www.tomshardware.com/reviews/budget-gaming-do-it...

I based my build on this, buying a better processor of the same range. When I decided to look further into I realised the G850 isn't PCI 3.0 compatible! So how do tomshardware claim that they made the machine AND benchmarked it when the G850 and the radeon 7850 aren't even compatible?

Clearly says here:

http://ark.intel.com/products/53491/Intel-Pentium-Proce...(3M-Cache-2_90-GHz)
http://www.amd.com/us/products/desktop/graphics/7000/78...

Well, the plot thickens..... Turns out, the G2120 isn't PCI 3.0 Compatible!

BUT what makes this even weirder is this:

http://www.tomshardware.com/reviews/budget-gaming-do-it...

I based my build on this, buying a better processor of the same range. When I decided to look further into I realised the G850 isn't PCI 3.0 compatible! So how do tomshardware claim that they made the machine AND benchmarked it when the G850 and the radeon 7850 aren't even compatible?

Clearly says here:

http://ark.intel.com/products/53491/Intel-Pentium-Proce...(3M-Cache-2_90-GHz)
http://www.amd.com/us/products/desktop/graphics/7000/78...

Weird, it wasn't letting me submit my reply but apparently it went up twice? and now it wont let me edit the last one. Bah.

I've found that the 650 GTX works in a friends computer also. I'm at a total loss. I tried every possible combination there is Sunius spanning about 12 hours and using various bits from my PC.
!