How to clean laptop fan?

FrozenToothpaste

Estimable
May 19, 2015
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My laptop runs very slow, it also makes sound so I'm pretty sure this means it's dirty.

I unscrewed everything, unplugged battery but can't still open it.

How do I open it to access the fan?

Also I don't have a compressed air can, can I just clean it with only a toothbrush? Or a paintbrush?
 

Phillip Corcoran

Splendid
Moderator
"I just clean it with only a toothbrush? Or a paintbrush?"

Definitely not! They will generate static which can damage internal components.
Use only a can of compressed air.

Even with all relevant screws removed, the underside panel won't simply lift off. It's held in place by hidden plastic lugs/clips around the edges. You have to carefully prise the panel upwards all around the edges to "pop" the clips.
 

Phillip Corcoran

Splendid
Moderator
"I just clean it with only a toothbrush? Or a paintbrush?"

Definitely not! They will generate static which can damage internal components.
Use only a can of compressed air.

Even with all relevant screws removed, the underside panel won't simply lift off. It's held in place by hidden plastic lugs/clips around the edges. You have to carefully prise the panel upwards all around the edges to "pop" the clips.
 
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