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Help Me Plz! CF 6950 Unlocked - Page 2

post #11 of 28
Thread Starter 
do i need to reinstall OS when installing new Crossfire gpu's?
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post #12 of 28
Thread Starter 
nope, they work stable solo for days both of em tested it. And im using a Corsair AX1200 atm, and using the 6+2 pin power cables from the psu. each card has 2 in them.
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Sig Rig
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post #13 of 28
As much as this sucks, I'm starting to think its a PSU issue. Might need to upgrade to a higher wattage.
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post #14 of 28
Thread Starter 
U know I'm using a corsair 1200AX right ? I doubt I'm using even the 1200watts I have now
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post #15 of 28
He is already freakishly overkill on PSU power
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post #16 of 28
Quote:
Originally Posted by thrgk View Post
I have 2 6950 xfx 2gb cards unlocked. They work fine with either of my 2 pci e slots, never crash or any problems when there is just 1 installed. However when i put in the second unlock one and crossfire them with bios switch to 1(unlocked) they will not boot, keep getting error 7E. I have just installed a ax 1200 psu so power isnt the problem. But whats weird is they work solo, and when the bios switch is set to 2(not unlocked original bios). Why do they work in cf when they arent unlocked? They are unlocked correctly because they work solo.
If anyone can plz help me, im lost and have no ideas left.
Let me tell you what I did and lets see if there is anything different between you and I. The BIOS switches were set to 1 from the very get go and I did not even touch them.

1) Put my first card solo. Unlocked. Check shaders in GPU-Z. Shut down machine.
2) Put my second card solo. Restart. Unlocked. Check Shaders in GPU-Z. Shut down machine.
3) Put both card in. Restart. Let windows find the drivers. Restart. Good to go.
4) Then start overclocking and mess up drivers, OS, everything else just like I did
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post #17 of 28
Thread Starter 
Nope so how did u fix it
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Sig Rig
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post #18 of 28
try booting in safe mode and uninstalling any ati drivers you have in device manager then restart and see if windows will install them correctly... just an idea
    
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post #19 of 28
you said you unlocked them both 2 6970s did you try resetting them back to stock using the switches & try your crossfire again?
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AMD Beast
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post #20 of 28
Thread Starter 
Yea it works then. But they both are unlocked right because they work solo. So what's going on.????
Sig Rig
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Intel 5960x 4.5ghz  Asus X99 Extreme Evga 980Ti+EK Waterblock Evga 980Ti+EK Waterblock 
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Corsair Vengeance 16GB 3000MHZ DDR4 Cas 16  2x Crucial 64gb Raid 0 Crucial M500 240GB 2TB WDC 7200RPM HDD 
Hard DriveHard DriveCoolingOS
Crucial M4 256GB WB 4TB External USB 3.0 HDD XSPC Raystorm CPU Water Block, 2x AX 480 Radiat... Windows 8.1 Pro 64Bit 
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Acer 28Inch Gsync 1440p Logitech G510s  Corsair AX1200 + Corsair RM 750 Case Labs STH10 
Mouse
Logitech G502 
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Sig Rig
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CPUMotherboardGraphicsGraphics
Intel 5960x 4.5ghz  Asus X99 Extreme Evga 980Ti+EK Waterblock Evga 980Ti+EK Waterblock 
RAMHard DriveHard DriveHard Drive
Corsair Vengeance 16GB 3000MHZ DDR4 Cas 16  2x Crucial 64gb Raid 0 Crucial M500 240GB 2TB WDC 7200RPM HDD 
Hard DriveHard DriveCoolingOS
Crucial M4 256GB WB 4TB External USB 3.0 HDD XSPC Raystorm CPU Water Block, 2x AX 480 Radiat... Windows 8.1 Pro 64Bit 
MonitorKeyboardPowerCase
Acer 28Inch Gsync 1440p Logitech G510s  Corsair AX1200 + Corsair RM 750 Case Labs STH10 
Mouse
Logitech G502 
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