What's going on with my PC?

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Myndnix

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Aug 11, 2012
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Greetings. Thank you for reading, before I start.

Right. My PC has been running games terribly for a little while now, and I've done numerous google searches on this problem, but none of the solutions I've found work.
I first noticed this with Black Mesa. My PC's specs are more than good enough to play it, but in almost every part of the game, the framerate is absolutely awful (I'm talking less than 10fps)...until I alt+tab out of the game and back in, at which point the game runs perfectly until it loads a new area or I load a save, at which point I have to do it again.
I slogged through the entire game doing that constantly, then decided, you know what, I need a refresher on the whole series while I'm here. So I decided to load up Half-Life 2 and start a new game. Guess what? Half-Life 2 does the exact same thing. It didn't do that earlier this year. I tried all of my games, and roughly half of them do this.
As I said, I've spent about a week searching the internet up and down for a solution, and I've tried around ten different things and none of them work.
My PC is having no difficulties with anything but certain games, games it did not have this difficulty with before.
Does anyone have any idea what's going on here? Any help would be greatly appreciated.
 

Myndnix

New member
Aug 11, 2012
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I'm using the latest version of my driver; I already checked that.
While yes, it is affecting all of my Source-based games, it's not limited to them. Notably, Bioshock, all of Painkiller's expansions, and most bizarrely, the Duke Nukem 3D HD pack have this issue too (Strangely, the original Painkiller runs as perfectly as it always did).
 

Myndnix

New member
Aug 11, 2012
313
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I reinstalled my graphics driver and that seems to have fixed it. I have no idea why.
The last solution always works, it seems.