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Solution for this may be the same as all the “can’t alt tab” threads but let’s give it a go.
Since the update before last, my FPS will occasionally drop for seemingly no reason from around 150 to slideshow levels.
This happens even with absolutely everything in the background turned off, and has never happened before.
Would appreciate it if someone could post the general fixes for this kind of thing, and anything else they’re aware of

Thanks people

Quoted from Cloud

Solution for this may be the same as all the “can’t alt tab” threads but let’s give it a go.
Since the update before last, my FPS will occasionally drop for seemingly no reason from around 150 to slideshow levels.
This happens even with absolutely everything in the background turned off, and has never happened before.
Would appreciate it if someone could post the general fixes for this kind of thing, and anything else they’re aware of

Thanks people

I’m getting the same issues too, sudden drops from 120+ to a measly pathetic 10-20… all happened after the maps update :/

Quoted from AnimaL

mumble/g15 overlays? confirmed to having issues in beta

Still on mumble 1.2, not using a g15 or anything like that, however if you mean -any- mumble overlay, I’ll check it out

I also don’t run windowed mode for various reasons

–Edit

Running without mumble running -seemed- to clear it up, so presumably that’s the issue, anything else?

Can confirm, same with my TF2.

Quoted from Forsak3n

Try to put off the explorer.exe @ taskmanager.
If it doesn’t help you, try – http://forums.steampowered.com/forums/showthread.php?t=1093560&highlight=avast

I’ve done the av exception thingy. as for explorer.exe, isnt that a bit unorthodox? (sorry, im shit with tech)

What happens if you run a ‘clean’ install? I.e. no configs, no huds, no other modifications, just plain vanilla.
Also, have a look at Chris’ reset script in his configs thread. It has helped a million folks with various problems so far.

I kinda have a similar thing and I can’t pin it tbh doesn’t effect me all the time but happens from time to time.
I blame win 7 gonna put xp on this pc too rofl.

Quoted from Forsak3n

If it doesn’t help you, try – http://forums.steampowered.com/forums/showthread.php?t=1093560&highlight=avast

this solved my problem with fps drops