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Laptop Cooler... Suck or blow?

post #1 of 7
4/13/04 at 11:31pm
Thread Starter 
Anyone buy one of those laptop coolers with the fan underneath it? if so do you let it suck the air out from beneath the laptop or blow air into it?

right now mine is blowing air into the laptop and it doesnt seem to help

my system goes from 50 to 60 (fan kicks on) then down to 50ish, fan shut off til it goes up to 60 again.. i wish there was a way where the fan would stay on constantly but at low rpm
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post #2 of 7
4/14/04 at 12:08pm
I have the Evercool NP-101 which has 4 pathetic little fans that exhaust air from underneath the laptop.
Although I say they are pathetic, the cooler actually serves its purpose in keeping the laptop, well, cooler; there is a noticeable 'flattening' of the mob-meter temperature curve (i.e. the temperature rises slower) though it is -not- effective enough to stop the notebook, during browsing/word processing/'normal' use, from hitting the loud fan threshold (50 degs.)
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post #3 of 7
4/15/04 at 1:18am
I don't know which laptop you have but I have an 8890. This has intake fans on the bottom, so it would probably not be a good thing to have fans sucking air in the opposite direction. Blow fans on the other hand should help as well as blow some cooler air over the bottom of the rig.

I got one of these:
http://www.coolmaxusa.com/products_c...rs.asp?item=18

I opened it up and flipped the fans so it blows.

Realistically, MobileMeter shows a 1-2 degree lower on a good day.
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post #4 of 7
4/15/04 at 10:28am
Thread Starter 
i have hte 4780, it has intake vents at the bottom, so yea, thats why i reversed the fan to blow into the bottom of the bottom instead of sucking air from it since i dont want to starve the system's fan of air
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post #5 of 7
4/15/04 at 11:19am
The idea of the fans sucking is not to suck in the other direction to the intakes, but rather to pull cool air to the intakes
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post #6 of 7
4/15/04 at 11:57am
I'm kinda new...I have the 8790 what program are you using to see the mother board temps ?
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post #7 of 7
4/15/04 at 12:48pm
Quote:
Originally Posted by lance62
I'm kinda new...I have the 8790 what program are you using to see the mother board temps ?
Most use MobileMeter. Description (in english) can be found here. Download can be found here.

Also available would be Henrik's (a member of these forums) temperature monitoring utility, described here. It is confirmed to function for a number of "older" Sager machines (NP56xx, NP88xx, etc). Not certain of the NP8790, as I do not own one.
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