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Crossfire Won't enable

Swindless
By Swindless
in Troubleshooting
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Hello, I just recently got my 2nd gpu I currently have a HD 6870 and got a 6850 for free from my dad, I was told that I would be able to crossfire them thus I did, and now when I go to enable crossfire the AMD CCC flashes and goes back to the disable option.

i5-4670k 4.5 Ghz 1.25v | Gigabyte Z87X-UD3H | 4x4 Gigs of Corsair Vengeance Pro 1600Mhz | Gigabyte 980 Ti Reference 1503 Core/ 7796 Effective Memory | H100i w/stock fans | EVGA Supernova 1000w G1 | Samsung 840 120Gb SSD | Seagate Barracuda 2TB 7200RPM | Corsair Force LX 128Gb SSD | Fractal Design Arc Midi R2 | DT 990 Pro 250Ohm | Blue Snowball | Logitech G710+ | Logitech G600 | Acer H236HL BID x 3

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Posted

Did you connect a crossfire bridge?

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Possible but you need to flash the 6850 first : http://hardforum.com/showthread.php?t=1562148

 

Also you sure it isnt a 6970 ?

I am sure I have the XFX 6870.

i5-4670k 4.5 Ghz 1.25v | Gigabyte Z87X-UD3H | 4x4 Gigs of Corsair Vengeance Pro 1600Mhz | Gigabyte 980 Ti Reference 1503 Core/ 7796 Effective Memory | H100i w/stock fans | EVGA Supernova 1000w G1 | Samsung 840 120Gb SSD | Seagate Barracuda 2TB 7200RPM | Corsair Force LX 128Gb SSD | Fractal Design Arc Midi R2 | DT 990 Pro 250Ohm | Blue Snowball | Logitech G710+ | Logitech G600 | Acer H236HL BID x 3

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Did you connect a crossfire bridge?

And yes I do have the bridge installed.

i5-4670k 4.5 Ghz 1.25v | Gigabyte Z87X-UD3H | 4x4 Gigs of Corsair Vengeance Pro 1600Mhz | Gigabyte 980 Ti Reference 1503 Core/ 7796 Effective Memory | H100i w/stock fans | EVGA Supernova 1000w G1 | Samsung 840 120Gb SSD | Seagate Barracuda 2TB 7200RPM | Corsair Force LX 128Gb SSD | Fractal Design Arc Midi R2 | DT 990 Pro 250Ohm | Blue Snowball | Logitech G710+ | Logitech G600 | Acer H236HL BID x 3

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http://www.techpowerup.com/vgabios/

 

download the 6870 bios and flash it to the 6850 , after that you'll be good to go

Ok I have both flashed to the same bios, when I go to run bf3 it gives me an error saying its a driver problem :S.

i5-4670k 4.5 Ghz 1.25v | Gigabyte Z87X-UD3H | 4x4 Gigs of Corsair Vengeance Pro 1600Mhz | Gigabyte 980 Ti Reference 1503 Core/ 7796 Effective Memory | H100i w/stock fans | EVGA Supernova 1000w G1 | Samsung 840 120Gb SSD | Seagate Barracuda 2TB 7200RPM | Corsair Force LX 128Gb SSD | Fractal Design Arc Midi R2 | DT 990 Pro 250Ohm | Blue Snowball | Logitech G710+ | Logitech G600 | Acer H236HL BID x 3

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Never mind did a fresh driver install and it fixed it. Thanks everyone for all the help.

i5-4670k 4.5 Ghz 1.25v | Gigabyte Z87X-UD3H | 4x4 Gigs of Corsair Vengeance Pro 1600Mhz | Gigabyte 980 Ti Reference 1503 Core/ 7796 Effective Memory | H100i w/stock fans | EVGA Supernova 1000w G1 | Samsung 840 120Gb SSD | Seagate Barracuda 2TB 7200RPM | Corsair Force LX 128Gb SSD | Fractal Design Arc Midi R2 | DT 990 Pro 250Ohm | Blue Snowball | Logitech G710+ | Logitech G600 | Acer H236HL BID x 3

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