active "Q" key = lower frame?

hello everybody
new member based in Panama
I have just reinstalled my fs on my Xp laptop and discovered a new problem related to FPS
Everytime I press the Q key (to get the sound) my pc becomes slower and I just cannot fly!!
I lost my old settings but I had no problem before reinstall
Maybe i should change something in the fs9.cfg? or something else?
anyway thanks for your help
new member based in Panama
I have just reinstalled my fs on my Xp laptop and discovered a new problem related to FPS
Everytime I press the Q key (to get the sound) my pc becomes slower and I just cannot fly!!
I lost my old settings but I had no problem before reinstall
Maybe i should change something in the fs9.cfg? or something else?
anyway thanks for your help