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I have a toshiba satellite a40 and it becomes so hot when i play games now, will a can of compressed air fix this? plz help :)

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Hey coolsambo,

If you clean your computer's vents and case fans using an air duster (can of compressed air) you may see an improvement in performance, but please keep in mind that this may not necessarily resolve the issue.

Ideally, you'd be able to open the case and dust every square inch of the laptop, but this isn't always an option for many users who are still covered by the factory warranty. Should you choose to use an air duster, remember to hold the can at least 6-8 inches away from the surface being dusted, as the compressed air may leave liquid residue behind or even freeze some surfaces.

Blocked vents and failing hardware components have also been known to cause laptops to overheat (in addition to prolonged use of video cards by various games), so should cleaning your laptop fail to resolve the problem, you may wish to speak with your local repair facility for further assistance.

If necessary, you may always bring your laptop into your local Best Buy™ store for more information. Best Buy™ technicians are able to perform repairs on most major products we sell, and can provide service options under most manufacturer warranties.

Hope this helps you out.

Go Ahead. Use Us.

Posted on Jun 11, 2008


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Many older laptops run HOT and will shut down very quickly if there is no ventilation.

You can check this by shining a flashlight into the fan vent and checking it's visible when looking in the heatsink vent (or vice versa)

You can dismantle the laptop to get the dust out.


Or use a can of compressed air to blow through the heatsink grilles and dislodge the dust, followed by a vacuum cleaner nozzle over the fan intake to **** as much dust as possible back out of the machine.

It may take several blow/**** cycles to clear it entirely - don't be surprised to see enormous quantities of dust erupting from the fan vent when you first use the compressed air.

if you take the second option, don't dismantle the case and it's best to do this with the machine running.

Plastic vaccum cleaner nozzles carry a hefty static charge, but as long as it remains outside the case the components will remain protected and the area where the air runs through the case is entirely shielded from the rest of the machine.

If the vent isn't freely flowing air when you've tried a couple of cycles (check with a flashlight for airflow) then the machine will have to be dismantled and the dust removed manually (I've seen accumulated dust turn into 1/4 inch thick felt blocks in some laptops and have had to write off many laptops used by smokers as they had become a toxic health hazard.).

Dismantling a laptop is not a job for a novice as it is easy to damage electronic components with stray static electricity charges and plastic case components while pulling things apart It's also possible to wreck cases by overtightening or using wrong length screws when reassembling.

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