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Author Topic: Exhaust fan of my laptop is not working.  (Read 780 times)

cprkshs

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Exhaust fan of my laptop is not working.
« on: July 21, 2015, 09:58:24 AM »
Hi guys!

I have a Toshiba Laptop. I am facing a critical issue related to my laptop because the exhaust fan

of the laptop is not working or running occasionally. Therefore, there is always a possibility of overheating and in such condition I can suffer from more serious problems.

Unfortunately I am not from technical background and don’t know what to do. If anyone has a solution regarding this glitch then please let me know.

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Exhaust fan of my laptop is not working.
« on: July 21, 2015, 09:58:24 AM »

RobinsonChloe

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Re: Exhaust fan of my laptop is not working.
« Reply #1 on: July 30, 2015, 12:31:11 PM »
1. Heavy Dust Accumulation : Overtime the fan accumulates dust on its blades that reduces its efficiency to cool down the machine, the fan gets clogged due to dust. This might be a possible case in which the laptop’s fan stop spinning.

Solution : You should clean the fan by disassembling the laptop and cleaning the fan blades to remove dust. You can take the help of any hardware engineer who is qualified at this job. Fan should be thoroughly cleaned once in every 3 years and if it needs replacement then you should replace it with new one.



2. Blowing Compressed Air Into Fan : We can blow compressed air in laptop fan through its vent to remove dust. But compressed air can sometime become a case in which the fan gets stuck. Actually the high pressure applied by the compressed air on the fan can leave it in a stuck state.

Solution : Blow air from your mouth several times in the fan’s air vents located on left or right. After doing this several times the fan will start working. High pressure compressed air should not be used in the air vents.

3. Motherboard Faults : Sometimes it happens when fan is in working condition but fails to operate due to minor motherboard faults like blown capacitors (bad capacitor). These capacitors provide necessary power to fan to operate. The bad capacitor can be identified by visually inspecting it, the top of the bad capacitor always bulge outwards therefore indicating that it is open.



4. Low Battery : When the laptop’s battery percentage reaches less than 20% then the internal fan will automatically stop due to low power and you won’t even get notified. This problem is rare but when it happens it can damage the motherboard and CPU due to overheating because the cooling system is stopped temporarily due to very low charge left on battery. I have encountered this problem on my ASUS notebook and DELL Inspiron laptop. My ASUS laptop was low on battery and percentage reached to less than 20% and ultimately it reached 9%. The internal laptop fan turned off automatically and I was not aware that the fan is not spinning. After one hour I realized that the laptop is overheating because I started feeling heat on my fingers and palm. The touchpad was very hot. I checked the temperature with speccy and found that the CPU temperature was 60 degrees as the fan was stopped.

Solution : If this problem happens with you then immediately turn off the system. Remove the battery and re-install it. Plug in the charger into your laptop and switch it on. If you have a laptop cooler immediately place laptop on it, if you don’t have one then build yourself at home see here. Now start the laptop, this step is necessary because the fan will start removing the heat. Fully charge the battery and in future make sure to always plug in the charger when the battery level reaches 30%.

Technical Questions & Answers

Re: Exhaust fan of my laptop is not working.
« Reply #1 on: July 30, 2015, 12:31:11 PM »

 

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