Desperate for some help...

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3 Oct 2011
Posts
26
Hi folks...

I'm really hoping someone can help me out here as I'm starting to lose it with this issue. I got a 970gtx card back in December (see first item listed below) - love it so far - and decided to get a second one for an SLI setup, something I've not done before. I did try and get an exact copy for the SLI setup but it wasn't avaliable on the OCUK website anymore. After chatting to the sales guys I was told to grab the second card listed below and that it would no issue using it for SLI mode (I really hope that was correct). I tried most of Monday to set it up - didn't succeed for whatever reason. Gave up trying on Tuesday and tried again most of Wednesday with no success either. I tried chatting the tech guys (said they weren't able to support me directly but did try their best pointing me in the right direction). I have tried everything I can think of...removing and reinstalling both cards - deleting and reinstalling the drivers...using one card alone and then the other...nothing. My motherboard is an Asrock Z77 Extreme4 - the system was built at the of the summer in 2013. I have not ever updated the bios if that is what needs to do be done...I've never updated a bios before...scares the crap out of me.

EVGA GeForce GTX 970 FTW ACX 2.0 4096MB GDDR5 PCI-Express Graphics Card

EVGA GeForce GTX 970 FTW "Plus Edition" ACX 2.0 4096MB GDDR5 PCI-Express Graphics Card

When I check in the control panel (and the nvidia control panel) both cards are shown and my monitor work in both...after a reinstallation of the cards it does mention that an SLI bridge is missing, which is strange as I have tried 2 bridges on both connectors from each card. The option for setting up the SLI mode is visible in the nvidia control panel but everything is greyed out and I can't change or set anything up...could it be the bridges that are faulty?

If there is someone that can help me out here I would be eternally greatful. I'm hoping that because the cards are being shown in both control panels that that means I do not have to update the bios, but if I do I could really use some help doing this...as I said before I've never done it before and I don't want to risk damaging anything. I guess I could copy down any overclock settings and set those up again later...I think my mobo has the option on the back to click a button to restore a previous bios but I'm unsure about that.

So, if anyone can help please do! I'm now officially stumped as to how to solve this and I would like to get this sorted out soon.

Thanks in advance for any help received!
 
Are you running Windows 8.1? I had no end of problems getting a Radeon 4870x2 to run in crossfire and also two individual R7950's. I thought it was all down to dodgy drivers from AMD. But anyway...

I'd find some software graphics app that you can use to phyiscally test if SLi is working at all... and if it doesn't. A fresh installation of Windows 8.1! haha...

My God Windows 8.1 sucks arse for top end graphics cards. I had a 20fps drop after one update... But in general, 8.1 is working a lot better than a year ago!

Windows 7? Well... that should just work! :p
 
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This might be better in the graphics card sub forum, as there's plenty of SLI users in there who could help.

I'd also add '970 sli Win 8.1' in the thread title
 
Updating the BIOS is a lot easier then it used to be. You can usually do it from windows now rather than the old floppy disk/usb stick method.
Its not that likely to go wrong. Just on't pull the power cord out of the wall while its doing its thing and it'll be fine.
 
I did have a sound card in aswell but I tried removing that and doing the thing over again - no affect. I'm running Windows 7 64bit. I shall try copying the main subject over in the card forum too. Thanks.
 
I would try a bios update. Quite a few Z77 boards need a update for modern card compatibility. Just download the latest version and extract it to a usb stick formatted to fat32. Reboot and enter the bios, under the advanced tab select the instant flash utility and follow the instructions. Wait for it to complete and it should reboot itself. Never interrupt power when flashing.
 
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