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i7 2600K + P8H61-i R2.0 + GTX 760 = no PCI-E output?

Tags:
  • PCI Express
  • Graphics
  • Nvidia
  • Intel
  • Intel i7
Last response: in Graphics & Displays
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March 4, 2014 3:47:39 AM

Hi guys

Yesterday I got hold of a i7 2600K, slapped it into the motherboard and it works great, then I went out and got a EVGA GTX 760 and slapped that in, plugged up the HDMI and DVI cable, nothing.

The computer was posting, booting and even logged in, but no display.. I thought what the heck.. so I switched the HDMI over to onboard again and taadaa.. there was my desktop ready to use. So I thought okay? let me try go to the BIOS and force it to use the PCI-E GPU 1st, I tried that. Nothing again.

So I installed the latest BIOS, and tried again, still nothing, it wont pickup the PCI-E GPU for some reason.

This is very frustrating.. can anyone help me?

Here's a picture of what im experiencing. (sorry for the cable mess, i just threw this rig together, I will clean it up)

http://prntscr.com/2xqozr

P.S I tried to use a i3 3220 and it picked up the GTX 760 fine. I've looked online and it states that the i7 2600K is compatible with this motherboard

More about : 2600k p8h61 gtx 760 pci output

March 4, 2014 4:07:42 AM

That is really weird. You say that if you have the i3 3220 in the same system it initializes the 760, but with the i5 2600K?

You've updated the BIOS.

Is there a spot in the BIOS for Boot Init Graphics? If there is try setting that to PEG.
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March 4, 2014 5:29:41 AM

Yep, it all works perfectly with the i3 3220.. I tried setting it to use the PCI-E graphics but it just switches it back to onboard after a reboot...???
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March 4, 2014 5:32:42 AM

Have you tried resetting the CMOS?
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March 4, 2014 5:34:43 AM

no, I'll try that now, back to factory defaults or take the battery out for so long? or is there a jumper i should reconfigure? thanks for the replies by the way, I appreciate your help
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March 4, 2014 5:31:56 PM

didn't work.. just put the i3 back in. sigh..

a shame too since it was a golden chip
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March 4, 2014 9:55:47 PM

Are you sure the BIOS reset? The date and time will revert to something like January 1, 2000 and 12:00.

I've downloaded the manual and it says to reset the BIOS that you should unplug the computer. Move the jumper from pins 1-2 to 2-3 and keep it there for 5-10 seconds (longer is better just to be sure). Then move the jumper back to 1-2. It also says that if the reset doesn't work, you should repeat the process except remove the battery before moving the jumper. And once cleared put the battery back. Pretty standard stuff really, word for word the same for my Maximus VI Hero.

It is really weird that the CPU interferes with the initialization of PEG devices.

Just to be sure, you have installed BIOS version 1301?

Just thought of a possibility, maybe there is a problem with the PCI-e lanes on the 2600K. Is this a new CPU? If so, exchange it for another.

After this I'm out of ideas. If resetting the BIOS doesn't work, really the only thing I can think of is the external interface for integrated PCI-E controller must be bad. Obviously it must work internally because I believe that the integrate GPU uses the interface (internally), so it would just be a problem from the PCI-E controller to the pads on the bottom of the CPU. Again if that's the case, and this is a new CPU, I'd see if you can exchange it for a another one. If it's used, I'd talk to the person you got it from.
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March 5, 2014 3:07:08 AM

Hi techgeek

Thanks for the reply, I'm running the i3 3220 again at the moment and my GPU is running fine, what im gonna try do is buy another LGA 1155 motherboard and see if this rectifies the problem, if not then it must be a internal problem with the CPU.. which would be a shame. I'm gonna go on the hunt for a motherboard with PCI-Express 2.0 instead of 3.0 .. so then hopefully its all fully compatible. The CPU is Used, I didn't get it new. decided to overclock it a little yesterday and managed to get 3.8Ghz on stock!, pretty much stable too, no blue-screens or whatever. I didn't wanna push it any further though because I'm scared either my PSU or motherboard would explode or something lol
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a b Î Nvidia
a b å Intel
March 5, 2014 3:11:11 AM

if you change from a Ivy chip to a sandy chip then you will have to reinstall drivers at a minimum or even a new install of windows because of the difference pci-e controller on chip.
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March 5, 2014 3:12:36 AM

I would be willing to do that but I don't even get to see the BIOS Logo via the PCI-Express graphics card.. which leads me to believe that it's not a software issue
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March 5, 2014 3:14:33 AM

Ah ok, sorry I read it as you saw it POST and the bios fine.
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March 5, 2014 3:15:54 AM

No problem, but yeah.. as stated I don't even get to see the BIOS logo via the PCI-Express graphics card, it just shows a blank display until I switch my HDMI cable back to onboard, then I can see the PC boot up fine (without resetting it, it just uses onboard)
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March 5, 2014 3:18:44 AM

Just to let you know the PCI-E version (2.0 vs 3.0) isn't dictated by the motherboard. The PCI-E lanes are integrated in the CPU, so simply changing the motherboard isn't going to get you PCI-E 3.0. However version doesn't really matter. Yours graphics card is backward compatible to 2.0 (it works with the i3). My feeling is it's the CPU.

At RobCrezz I don't think he'll be going from Sandy to Ivy. He's just getting a new 1155 board that could support Ivy, but try his i7 2600K. If he keeps the i7, it'll still be the same PCI-E controller. The only thing that will change is the motherboard. However you are correct, if he changes the motherboard, he will have to re-install Windows. Not because of anything to do with the PCI-E controller, but because the chipset and all the devices on the motherboard will be different.
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March 5, 2014 3:21:35 AM

techgeek said:
Just to let you know the PCI-E version (2.0 vs 3.0) isn't dictated by the motherboard. The PCI-E lanes are integrated in the CPU, so simply changing the motherboard isn't going to get you PCI-E 3.0. However version doesn't really matter. Yours graphics card is backward compatible to 2.0 (it works with the i3). My feeling is it's the CPU.

At RobCrezz I don't think he'll be going from Sandy to Ivy. He's just getting a new 1155 board that could support Ivy, but try his i7 2600K. If he keeps the i7, it'll still be the same PCI-E controller. The only thing that will change is the motherboard. However you are correct, if he changes the motherboard, he will have to re-install Windows. Not because of anything to do with the PCI-E controller, but because the chipset and all the devices on the motherboard will be different.


I meant, he was going from the ivybridge i3 to the sandybridge i7. the PCI-e controller is on the CPU, and different from Sandy to Ivy.
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March 5, 2014 3:22:13 AM

the only reason as to why i think it may be the motherboard is because I read up on some forums that the i7 2600K doesn't natively support PCI-Express 3.0, so I guess I could understand as to why its not picking up my GTX 760.. if I try a new motherboard and it all works, I'll be more than happy to re-install Windows and everything
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March 5, 2014 3:29:07 AM

There is a slim possibility, but I highly doubt it. There are plenty of people out there with Sandy Bridge and older using PCI-E 3.0 compatible cards. They should virtually all be backward compatible. In fact if placed in a PCI-E 1.0 slot they should still work.

I wish you all the luck. Make sure you get it somewhere that will let you return it. Unless this is the first step to a bigger upgrade that is.
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March 5, 2014 3:34:37 AM

here's a picture of the CPU, just to make sure theres no damage to it (I have untrained eyes) http://prntscr.com/2y21fm .. Thanks, I'll buy it from Maplin UK, I believe they do warranty, even if they dont I can use the motherboard elsewhere
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March 5, 2014 3:50:25 AM

ill look out for a Z68 board in maplin, if i cant find one ill try some other local stores and if i have no luck then ill try buy that one. Thanks for your help
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March 5, 2014 4:42:44 AM

i'm just curious whats your PSU brand/model?
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March 5, 2014 4:59:09 AM

Update: couldn't find anything in croydon (where I live) so I bought this: http://www.ebay.co.uk/itm/MSI-B75A-G43-GAMING-Motherboa...

I'll keep you guys updated when it comes.

As for my PSU? Antec Earthwatts 380Watts, should be okay, I will upgrade ASAP though. at max load i will be pulling around 340watts
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Best solution

March 5, 2014 5:29:24 AM

http://media.bestofmicro.com/N/D/98041/original/antec_e... this one? yes it should run it but depends how old is it and how much ampers have it on 12v line
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March 5, 2014 5:31:53 AM

yeah that's the one mate :) 
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March 5, 2014 5:52:44 AM

if you can try different PSU
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March 5, 2014 5:53:52 AM

okay ill give that a try later, I have a 600watt FSP Power supply which i'll try. Thanks
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March 5, 2014 6:28:29 AM

A GTX 760 doesnt need 27a! it only need 170w = 14.1amps
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March 5, 2014 9:21:46 AM

tried to switcheroo this powersupply, now using a 600watt FSP power supply, no go.. still no BIOS via the PCI-Express ... guess im just gonna have to wait until this new mobo comes :/  i really really want this to work
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March 6, 2014 1:00:48 AM

Why did you buy a B75 board? the cheaper Z68 would have been better for the 2600k, as it will overclock...

The whole point of a "K" cpu is overclocking, which requires a Z board.
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March 6, 2014 3:04:29 AM

RobCrezz said:
Why did you buy a B75 board? the cheaper Z68 would have been better for the 2600k, as it will overclock...

The whole point of a "K" cpu is overclocking, which requires a Z board.


Yes I bought a B75 board, I don't really care that much for overclocking.. I know it's a golden chip but to be honest, I'm just wanting it to work. even at stock clocks it'll be more than enough for my GTX 760.

If it still doesn't work, then I may just sell the chip to someone who wants to overclock the heck out of it and I'll buy myself a 3rd gen i5 or something equivalent.

Thanks for your reply
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March 6, 2014 3:05:29 AM

Crispe said:
RobCrezz said:
Why did you buy a B75 board? the cheaper Z68 would have been better for the 2600k, as it will overclock...

The whole point of a "K" cpu is overclocking, which requires a Z board.


Yes I bought a B75 board, I don't really care that much for overclocking.. I know it's a golden chip but to be honest, I'm just wanting it to work. even at stock clocks it'll be more than enough for my GTX 760.

If it still doesn't work, then I may just sell the chip to someone who wants to overclock the heck out of it and I'll buy myself a 3rd gen i5 or something equivalent.

Thanks for your reply


Fair enough, just thought you had made a mistake.
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March 7, 2014 1:42:48 PM

turned out to be the motherboard, got a B75A MSI Gaming board and now everythings working fine!
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March 7, 2014 8:40:53 PM

That's excellent. For the academic in me, I wonder what about the combination of your old motherboard and the i7 2600K caused the graphics card not to work. It really makes no sense that the i3 would and the i7 not.

Oh well, we'll probably never know. It's certainly one to store in the memory banks though.
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March 8, 2014 1:49:58 AM

it must have just been a defect in the BIOS or something.. I don't know honestly, but yeah! :)  running my i7 2600K at 4.02Ghz at 1.26v core! :D 
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