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nvn
Journeyman III

HD 7970 lag

I'm not exactly a developer but I was not able to find any useful info anywhere else so I am trying here.

Recently I bough HD 7970 as a present to my brother. Card is very fast and capable of running anything he can throw at it. Surprisingly, when playing a full screen game on the primary monitor and everything on the second (extended) monitor lags at a rate of 1 fps (even gifs in the forum). How is that even possible for such a powerful card? This is happening ONLY when application is in true full-screen mode (games) and not maximized borderless screen. Any ideas for me to try?

Environment:

Win 8 customer preview 64 bit

Driver downloaded by auto detect tool from radeon support site. (win8 consumer preview.exe 64bit)

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7 Replies
nvn
Journeyman III

Re: HD 7970 lag

Any idea at all...? Maybe anyone knows a forum I can post a,t if this is not the right place?

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kbrafford
Adept II

Re: HD 7970 lag

Do you have any way of seeing if the same thing happens on that same hardware but under Windows 7 instead?

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nvn
Journeyman III

Re: HD 7970 lag

kbrafford,

Yes, is was behaving the same way on Win7 64bit. Do you thing it might be a hardware issue? I have never seen anything of the sort in all of my years in IT.

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kbrafford
Adept II

Re: HD 7970 lag

I have no idea.

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kcarney
Staff
Staff

Re: HD 7970 lag

Oh man. That sounds frustrating.

Since you haven't gotten any replies yet here on the software developers forum, try the following resources:

Good luck!

Kristen

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nvn
Journeyman III

Re: HD 7970 lag

Thanks Khristen. I'll try contacting support.

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petar1980
Journeyman III

Re: HD 7970 lag

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