Display wont wake-up on Windows 8.1 iMac (ATI HD 5750)

I've just installed windows 8.1 and now I'm having a strange problem: When the display goes into standby I cannot wake it back up, the machine is still awake as I can RDP in..
It appears windows is replacing my good display driver with one that it thinks 'is better' but is infact screwing up my system.. If I roll-back the driver everything works fine until it re-installs the driver for me.
Has anyone else experience this problem or found a fix?
Thanks guys

After a bit of messing around its been stable for a while now.. These are the driver details I settled on:
Driver Provider: Advanced Micro Devices, Inc.
Driver Date: 27/09/2012
Driver Version: 9.2.0.0
Its been working flawlessly and CUDA is fully supported

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{Content Removed}

Hello!
Thank you for posting in HP support forums and thank you for your trust in HP.
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*** Please click the white KUDOS star (on the left). This way you show appreciation for advice or help you received. If your problem has been solved - click the appropriate button and accept the solution. ***
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IT_WinSec
Hewlett-Packard employee | HP Enterprise Services
Although I work for HP, I express my personal opinion.
Visit www.hp.com/makeitmatter
--Say "Thanks" by clicking the Kudos Thumb Up in the post that you find useful.
--Please mark the post that solves your problem as "Accepted Solution"

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(I'm sorry for my poor English, it's not my first language.)

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Display wont wake-up on Windows 8.1 iMac (ATI HD 5750)

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