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Old 12-05-2010, 07:42 PM   #1
V O S
 
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FPS Drops / Freezes When I move mouse.

Hey everyone.

I've played L4D2 on Steam for quite some time now with no issues or hiccups, however I recently came across a problem..

When I boot the game up everything starts up normally and I can scroll through menus with my keyboard no sweat... However if I try to use my mouse in the menus, the game takes a HUGE dip and starts lagging hard, and if I move it really fast it locks up for a few extra seconds in delay.. Its only when I move the mouse, its really strange, its a Razer DeathAdder 3500 DPI.

Why would this randomly happen I don't know, all my other games work great.

Has anybody experienced this issue? Maybe possibly have a fix or suggestions? Anything helps.

Thanks.
 
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Old 12-05-2010, 07:53 PM   #2
Hobo Joe
 
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Turn off v-sync.
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Old 12-06-2010, 08:39 PM   #3
V O S
 
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Sorry about the long reply..

Vsync is not the problem, I tried this a few times and results are the same.. I just dont understand how moving the mouse around kills the FPS, I never had any problems before until probably this recent mutation update..

Might have to contact Valve :/
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Old 12-06-2010, 08:49 PM   #4
Xezium
 
 
 
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Lower video settings, lower resolution
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Old 01-27-2011, 07:16 AM   #5
Fisher122
 
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Having the exact same problem mate, I currently have a 2.5GHZ quad core 4GB DDR3 RAM and a GTX 460 1GB overclocked.... NOTHING to do with video quality.
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Old 01-27-2011, 07:21 AM   #6
MordGesicht
 
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could it possibly have to do with Valve's recent update regarding raw mouse input?

What mouse are you using? Are the drivers up to date?

Obviously, Fisher, your PC can run this game without a hitch, so it has to be something else other than video. Check your mouse drivers.
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Old 01-27-2011, 07:22 AM   #7
shazzz
 
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Did you guys tried to mess with those new mouse options? Raw mouse input, etc
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Old 01-27-2011, 04:31 PM   #8
Fisher122
 
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theres raw mouse settings?! Aww what, My USBs are filled with interference (I know from interference in my headset) That could be the problem!
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Old 01-27-2011, 04:40 PM   #9
Fisher122
 
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No luck, Mouse still lags when I move it. If I keep making circles with my mouse consistently the game will freeze, as soon as I stop, after a second or so the game will resume, I can move with WASD fine no lag, just mouse.

VALVE, FIX YOUR BLOODY GAME! (AGAIN)
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Old 03-10-2011, 06:55 PM   #10
Fetalcorpse
 
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I am also having this problem. I don't know what to do. It is now effecting every single game I own, does anyone have a fix for this !
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Old 03-10-2011, 07:14 PM   #11
Ettanin
 
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Could you please pastebin a dxdiag.txt?
It may help pinpointing the issue.
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Old 03-11-2011, 03:11 PM   #12
k20383
 
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Have you tried going into control panel, hardware and sound, devices and printers,right click on your mouse icon and choose mouse settings,pointer options tab and uncheck enhance pointer precision. Might not do anything for you but its worth a try.
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Old 03-11-2011, 04:06 PM   #13
Growit
 
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How to disable mouse acceleration in Half-Life and Source games
http://mebpage.net/mouseaccel/

Mouse firmware on date? Driver?
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Old 02-29-2012, 02:05 PM   #14
jangxx
 
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Has someone found the solution? I've the same problem not only in L4D2. For example if I play Minecraft and move my mouse form right to left over my table the game freezes until I hold the mouse still again.
I'm currently using the driver that belongs to my R.A.T. 5. If I uninstall the driver, I got no problems at all, but a recent driver update didn't fix it, so I'm still stuck with hardly playable games.

Pls help, or request information that would help you to help me ...

Specs:
Intel Core 2 Quad Q8300 2.5 GHz
nVIDIA GTX 560 [not Ti]
8 GB DDR2 RAM
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