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View Full Version : Cleaning Asus g750 with compressed air?



Nutte
02-13-2015, 12:43 PM
Hi, I am just wondering if this is safe to use? I have heard that this is completely safe to do and I also have heard the opposite.. So I don't really know. My laptop has come to this time where there are dust in the fans. The fans kicks in alot earlier than before so I would like to clean it.

I can also go to a service place but they charge 105$, but they will disassemble and then clean it that's why it's so expensive. But if I can blow some air in the vents, that will save me money and time. So I am wondering if this is safe?

Wulff
02-13-2015, 02:57 PM
the thing is that when you would blow in the compressed air into the fans exhausts where would the dust go then and you have a risk that the fans would spin to fast and therefor could break , me personally i remove the top cover once every while and then clean it. but you should only do that if you are confident enough to do a proper job. If your unsure about that the best way would indeed be to have it cleaned. but 105$ seems very expensive. a friend brought in his acer laptop to a shop in ireland and they charged him only 30 euro to get it open and make it dust free. so perhaps you have the option to choose from more shops so you can see wich is the cheapest.

If yu do want to give it a go yourself here is a video that shows how to get to the fans: https://www.youtube.com/watch?v=Y0dkQ4rajyM

just remember wich screw goes where and be gentle and have some patience, then it should work out nicely

Good luck!

TrickOrTreat
02-15-2015, 01:52 AM
...just remember wich screw goes where...

Good luck!


To help me with the screws when I reassemble any laptop, I simply make a rudimentary drawing/outline of my laptop on a regular white sheet paper (8.5 x 11) and place the screws on the sheet in a way that closely resemble where it's located in the laptop. And I'll sometimes make a few notes on the paper as well to help me remember certain details.

Nutte
02-15-2015, 03:29 PM
the thing is that when you would blow in the compressed air into the fans exhausts where would the dust go then and you have a risk that the fans would spin to fast and therefor could break , me personally i remove the top cover once every while and then clean it. but you should only do that if you are confident enough to do a proper job. If your unsure about that the best way would indeed be to have it cleaned. but 105$ seems very expensive. a friend brought in his acer laptop to a shop in ireland and they charged him only 30 euro to get it open and make it dust free. so perhaps you have the option to choose from more shops so you can see wich is the cheapest.

If yu do want to give it a go yourself here is a video that shows how to get to the fans: https://www.youtube.com/watch?v=Y0dkQ4rajyM

just remember wich screw goes where and be gentle and have some patience, then it should work out nicely

Good luck!

I asked ASUS norway support if I could send them my laptop for some cleaning and the dude said that they don't do that kind of service because it is so easy to do it by yourself. He was the one who told me to use compressed air in the fans :o I also researched a bit and some people said that they have been doing this everytime when they clean their fans, that the fans doesn't spin at top speed if you be careful.

I live in Norway and here it's pretty expensive, but 105$ is the most cheapest price I have found. Another shop wanted 200$ for just cleaning and I have to ship my laptop to their service place and the dude said it would probably take 2-3 weeks for it to be done..

I have considered to do it by myself, but I don't have time to do it, and I don't want to risk losing a screw or mess up..

Wulff
02-17-2015, 11:14 AM
the thing is there is no way to stop the fan from spinning as you cannot reach the fan with a toothp[ick or whatever to stop it from spinning out of control. lot of laptops have some holes in the bottom right under the fans so then you could stop it from spinning and blow in the air from there so it will be bklown out of the exhaust. with the g750 all you can reach is the exhaust so blowing there with air might only the dust further into the laptop.

but i guess the only way to see what happens is to try it. to me it sounds like bad advice from the asus costumer service

Wulff
02-17-2015, 11:15 AM
To help me with the screws when I reassemble any laptop, I simply make a rudimentary drawing/outline of my laptop on a regular white sheet paper (8.5 x 11) and place the screws on the sheet in a way that closely resemble where it's located in the laptop. And I'll sometimes make a few notes on the paper as well to help me remember certain details.

i do it in a similar way here yes

Nutte
02-18-2015, 08:05 AM
Just wanted to update you guys in case someone in the future wants to clean their laptop with compressed air. I just did this yesterday and it fixed my problem. Whenever I played some heavy game or watching 1080p movie for a long time the fans kick in very loudly and sooner than before. After I used compressed air it stays on a silent noise level, just like when I got this laptop and the fans have not been loud at all yet.

Just get some compressed air and blow it in your fan but remember to shut down your laptop before you do this and also remember not to get any fluids in the fan from the can of compressed air as this might damage your system. You can also have a vaccum cleaner right beside the fan as you blow air in to suck up the dust. My fans had alot of dust, it was just like a puffball when I blew air in.

Darnassus
02-19-2015, 03:50 AM
I just dismantle the machine and clean the fins of the heatsink.

I wouldn't use the compressed air as the condensation is a dangerous side effect.

To get to the fans though is a little annoying I must admit, but it can be done. All you need to do is take the keyboard off and the fan holes are there. Cleaning the fins will be harder to do since you need to take the motherboard out.

I'm sure if you put a toothpick in or some wire to keep the fans staying still as you vacuum will be enough though.