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my computer turns off when i play portal?

my computer turns off when i play portal?

i can play Halo combat evolved perfectly with almost no lag online but when i play portal for a while

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ahmad2117 (author) 5 years ago
i just thought of posting my specs:
intel core 2 duo 2.0 GHz
4GB ram
ati mobility radeon HD 4650
ahmad2117 (author) 6 years ago
if I just run it in a window with low graphics and low resolution it plays just fine ^_^

p.s

lol at the steam achievements on the non-steam version
seandogue6 years ago
As has been said, it's possible that your system is overheating. It's also possible that the power supply is running on the ragged edge and either CPU or GPU demands are drawing too much power. You can download a variety of desktop monitors to gauge the temp.

http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=monitor+computer+temperature+from+the+desktop%3F

Regarding the power supply, computer assemblers normally install power supplies that only produce enough power for the immediate demands of the initial configuration. What that means is if you install a really nice new graphics card or other addon cards, you may either exceed the ability of the supply to deliver (or push it to the ragged edge where instability becomes a concern)
I had to upgrade a power supply in a similar case.

There is, of course, one other possibility. You may have corrupt software or a companion virus or virus like program (if for instance you copied the game from an unauthorized location)
ahmad2117 (author)  seandogue6 years ago
i checked a place and (amazingly) it said that my computer can play portal 2 and easily play assassins creed brother hood (just have to get my computer dusted off ._.
ahmad2117 (author)  seandogue6 years ago
how do i know if there is a corrupt file?
I suggested it because you said that this happens only when you fire up Portal. I don't know where you got the program. If Portal is not a game that you actually purchased, then you cannot know if its files are all "viable".

I tend to agree with the comments regarding overheating but I included that and the note about viruses because
a) you say it only happens with Portal
b) Many people download games from questionable sources.
ahmad2117 (author)  seandogue6 years ago
i got portal from a torrent
Which is what I thought might be the case. Remove it and purchase the game. Torrent based apps have an alarming tendency to carry parasites.
ahmad2117 (author)  seandogue6 years ago
since i already finished the game, i will just remove it
Well, keep what I said in mind in the future anyway. I'm not judging you here, just pointing out a fact. Torrent is a potential recipe for system infection and/or instability.
Vyger ahmad21176 years ago
Reinstall the program. Save all the user files and data generated and then uninstall it and reinstall.
There is a possibility , like seandouge says that its the power supply. If it is that then there may be a little delay when it restarts, just long enough to cool down and reset the thermal switch. Do the simplest first which is to clean out the dust and check the fans.
I had an early Radeon card that worked perfectly until I played MW3. between 10 and fifteen minutes into the game everything would lock up. I bought a little peltier cooler and put it on the backside of the card and it fixed the problem. But current video cards are built for better cooling. They will usually handle everything as long as the fans can spin at top speed and mover the air through.
ahmad2117 (author)  Vyger6 years ago
thanks i will try to remove the dust
Vyger6 years ago
Overheating. Check all your fans, especially the video card ones. Clean the dust out of them and out of the heastsink fins.
frollard6 years ago
overheating?