Portal 2
Portal 2 > General Discussions > Topic Details
VeLzeVuL Jan 29, 2014 @ 1:25pm
My Portal 2 is lagging
Hello, after i bought this game at sales i started to play many days later and from those days until now my portal is lagging.
The menu is lagging, changing for example the textures are lagging, and there is also an in-game lag, which i cant play smoothly the game and of course the co-op mode.

I've re-downloaded, re-installed and verified so many times the Portal 2 and still there lag. I've also re-installed the latest graphics driver like 2-3 times.

So is there any chance to fix this lag?
I know this game hasn't lag bc i had played for first time when it's released at my friend's pc and had never lag.

my system:
AMD FX-6100 6-core 3,3GHz
Gigabyte Ga-990XA-UD3
Crucial DDR3 (2x4)8GB Ballistix 1600Hz
Sapphire Radeon HD-6750 1GB GDDR5
SAMSUNG SSD 840 Series 120GB
Windows 7 Home Pre 64-bit
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Showing 1-9 of 9 comments
Orange Bitflip Jan 29, 2014 @ 9:05pm 
Turn down anti-aliasing. 2X will make it bearable.
If multi-core rendering is on, turn it off. If it is off, turn it on.
VeLzeVuL Jan 30, 2014 @ 12:44am 
as i said changing the video textures aren't work. That multi-core rendering thing does nothing if it's on or not and also the anti-aliasing if it's at 16x or off.
this lag is annoying
Orange Bitflip Jan 30, 2014 @ 5:29pm 
Originally posted by VeLzeVuL:
as i said changing the video textures aren't work...
...anti-aliasing if it's at 16x or off.
Okay, is English your first or second language? (Never mind, saw your Steam profile page)
A 7th tier card won't have 16 times multisample antialiasing. You must have been changing anisotropic filtering.
What have you meant by "textures are lagging"?
Make a video, take a screenshot, show me your task manager's resources tab, tell me if you've installed a driver for your card. Show something.
Last edited by Orange Bitflip; Jan 30, 2014 @ 5:30pm
VeLzeVuL Feb 1, 2014 @ 7:34am 
1. I uninstalled the game, after the steam and deleted the remaining files as if it wasnt at all on my pc
2. Downloaded and installed the steam
3. Downloaded and installed the Portal 2(again...)
4. Started the game and nothing changed
the game still has some lags/delay,
for example: at start menu(Play single player etc) i press options, it starts to change with some effects(something like cubes-thing) <--- this doesnt change smoothly, it has some lag/delay (something like the feel of your video card which can handle at medium performance and you put the ultimate)
So changing the video specifications dont change anything.

Now, taking screenshots will not help if there is a lag or not (in my opinion)
making video, i think there will be low frames at video
for driver, yes i have installed the video driver (of course)

so is there something else which i can change at steam or portal?
btw other games i have at steam run perfectly (LFD2 for example), but this? no...
Orange Bitflip Feb 1, 2014 @ 4:12pm 
Originally posted by VeLzeVuL:
for example: at start menu(Play single player etc) i press options, it starts to change with some effects(something like cubes-thing) <--- this doesnt change smoothly, it has some lag/delay
That's a loading screen, it's not meant to be perfect and smooth. If Valve thought they could make you load a menu instantly, it wouldn't have an effect like that.
If another example would be the loading screen, calm down.
If the real game is lagging, I don't know. There are many programs that could cause your computer to run slower than it was meant to.
If you change your system language to English I could help you by using TeamViewer to control your computer under your supervision.
VeLzeVuL Feb 2, 2014 @ 1:16pm 
Ok, that's it!
I finished, somehow with lag, the storyline of this game, was hilarius and that's it. I am done!
The only game that don't want to run smoothly on my pc is Portal 2 from steam, i accepted that.
I deleted it from pc, I am disappointed and I am continuing my life.
Maybe it's my video graphics have the problem, maybe as you say some background programs cause the problem, maybe I am unlucky, maybe i don't know. I am finished, tried to fix it with my good friend the Google, but no. Good bey, have fun all.
And Orange Bitflip thank you so much for your interest and tips to fix, and no, i will not allow you to control my computer, thanks again.
See you on other games
(The discussion can be closed)
Last edited by VeLzeVuL; Feb 2, 2014 @ 1:18pm
MilesRubi Oct 9, 2015 @ 7:09pm 
I have a different problem.

It goes on a slower delay. for example, it goes -3x slower. the sound is normal speed, does anybody know?
Redbear Aug 8, 2019 @ 8:56am 
i have a diffwrent problem

I was having fun on portal 2 for 2 months then I wanted to make a custom item, I deleted an item and not knowing how to replace. Now suddenly I can't play it. I tried system restore and nothing happened. Anyone know how to fix this?
@Dev try verifying the game's files.
the system restore restorses ONLY THE SYSTEM.
if it doesn't work, then try reinstalling the game.
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Portal 2 > General Discussions > Topic Details
Date Posted: Jan 29, 2014 @ 1:25pm
Posts: 9