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7900gs Fps drop after alt tab /when skype is open
After i alt tab in CSS/insurgency ( hl2 engine based games) the fps drop from 75-40 to 20-10
I get the same result when skype or other programs opened,
if i switch win7 to performance mode ( advanced system settings->system properties->performance options-> adjust to best performance) I can play in normal FPS.
If i turn anti aliasing to OFF,I can alt tab without fps drop.
I tried many nvidia versions, from the first released to win7, in some of them I couldn't get more than 20 Fps, even in performance mode.
When I used Windows xp i never had this problem..
What should I do ?
Thanks in advance!
Last edited by Supdoc; 24 Jan 2011 at 02:23.