Computer runs slowly when using crossfire r9 270x

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Carlos Qvistgaard

Honorable
Jun 17, 2013
10
0
10,510
Whenever I connect my second r9 270x my computer slows down and starts crashing (programs stop responding). Sometimes it won't even load Windows (Black screen with cursor). I am using a HIS crossfirex bridge.

What I've tried so far:
- Using any of the 2 cards alone (On any of the 2 slots)
- Deleting CCC completely (using driver sweeper)
- Switching between drivers 14.4 and 14.6 (beta)

I don't know what to do. Help please, I'll accept any suggestion.

My specs:

CPU: Intel Core i5-4430 3.0 GHz
Motherboard: Gigabyte LGA 1150 Intel H87M-D3H (It reads Crossfire ready)
GPU: AMD Radeon VisionTek R9 270X 2GB GDDR5
RAM: Kingston HyperX Blu 8GB 1600MHz
PSU: CoolerMaster Silent Pro M2 850W
 
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pfunkmd

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Apr 11, 2012
953
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Anytime I have a problem like this a fresh install helps. Your system is almost exactly the same as my system you really should not be having problems running those two cards. I would do the fresh install and all new drivers if that does not fix the problem you can start looking at hardware problems. I seriously doubt it is a hardware problem its more than likely software
 
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pfunkmd

Honorable
Apr 11, 2012
953
0
11,160


They did not lie and its not your tv
 
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bjdr11

Reputable
Apr 29, 2014
31
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4,530


sir i just want to ask if it did solve your problem? and have you managed to run it in x8/x8 mode or in x16/x4? If so were there issues when gaming? Thankyou so much!
 
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