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Old 11-22-2010, 09:40 AM   #1 (permalink)
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Default laptop overheats when connected to projector

ok this is a rather odd problem. First of all I shall say that the cooling system of my laptop isn't working as it should, still this doesn't bother me too much, since I don't play games and/or see HD Movies.

So when I watch SD Movies the GPU stays at 80C, but when I watch a SD Movie, and the laptop is connected it raises to 120C in less that 20min. Anyone knows why connecting it to the projector heats so much the GPU?

Thanks in advance
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Old 11-22-2010, 10:48 AM   #2 (permalink)
 
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Default Re: laptop overheats when connected to projector

Its probably having to work it more so its heating up.....

Try cleaning out the exhaust/intake. I used a ball pump and a vaccuum, by blowing in the exhaust, and sucking out the intake. It dropped my temps by 30C when gaming on mjy laptop... I had been shutting down prior to cleaning due to heat.
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Old 11-22-2010, 11:17 AM   #3 (permalink)
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Default Re: laptop overheats when connected to projector

The GPU will work harder when displaying a higher resolution, but, it the resolution is close, or similar, chances are, the heat from the projector is influencing the laptop nearby, if possible, keep the two as far apart as possible.
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Old 11-22-2010, 01:38 PM   #4 (permalink)
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Default Re: laptop overheats when connected to projector

Thanks for the replies.

I already cleaned it (with vacuum), so I guess the problem can't be because of that.

I use the same or lower resolution, so I don't understand why the gpu is working harder. Also the exhaust of the projector (i.e. where the heat comes out), is facing the opposite way, where the laptop is. And they are almost one meter distant from each other.
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Old 11-22-2010, 04:25 PM   #5 (permalink)
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Default Re: laptop overheats when connected to projector

Buy a laptop cooling pad, Or possibly the thermal paste on the GPU has dried up.
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Old 11-25-2010, 04:50 AM   #6 (permalink)
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Default Re: laptop overheats when connected to projector

yes I need to do that, but i'm curious why connecting it to the projector the gpu works more, if its the same res
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Old 11-25-2010, 06:20 AM   #7 (permalink)
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Default Re: laptop overheats when connected to projector

Quote:
Originally Posted by peroxid View Post
yes I need to do that, but i'm curious why connecting it to the projector the gpu works more, if its the same res
Because essentially, it has to output the image onto another device/screen, I don't exactly know how to explain it but yeah basically it makes it work harder haha, I'd reccomend putting some new paste on your GPU (but that might not need to be done) You could just get a laptop cooling pad.

Let me know
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Old 12-03-2010, 01:25 AM   #8 (permalink)
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Default Re: laptop overheats when connected to projector

Changing the output to another screen doesn't increase heat, nor stress, unless it's a multi-display or higher resolution than you normally see.
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