Question about Acer Aspire 5742Z-4200 Notebook

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My new acer laptop is very noisy. The noise comes from the fan, every one minute.

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The noise is normal and yes they are loud, make sure that you have adequate ventilation around the exhuast port of the laptop and it may not run as often.

Posted on Mar 18, 2011

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1 Answer

How to fix noisy fan?


look for the fan opening, get a can of air and blow it threw the fan vent, while the computer is off, than let it set for a few minutes than start it back up, if fan is still noisy, than you need a new fan installed.
if you want to do the work yourself you can do it your self. now if you dont want to try it than i have a few place to take it for service.
acer authorized dealer, best buy, or if you have a friend that you trust that will fix it for little to nothing except cost of parts, the fan part for the acer should be around 7-10.00 dollars + labor + shop fees.
www.youtube.com/HOW TO FIX LAPTOP CPU FAN
/how disassemble acer aspire laptop
/how to replace CPU fan acer laptop
/how to oil cpu fan for acer laptop

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The HP dv6700 has a noisy fan but the noise


THE CPU IS AUTOMATICALLY CONTROLLED BY MOTHER BOARD. WHEN THE HEAT IS ON IT MOVES FAST AND AFTER COOLING IT WILL GET SILENT. U MAY CHECK IN CMOS SETUP FAN MODE

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I have an Acer one note. The fan is too noisy.


Please download http://www.gigafix.co.uk/res/acerone.zip

Extract and set temp for the fan to come on about 5 degrees higher than it is.

Regards

James Morgan
Manager,
Gigafix Ltd

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I believe your laptop needs to be serviced. if you see dust and fluff, it might damage the fan and would need replacement

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If the noise is always coming (when no application is running) then there might be the issue with the processor fan cleaning.

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The sound you are hearing is probably the fan, This fan has a noisy bearing and will eventually lock up and the fan will stop spinning and therefore the CPU will overheat and shutdown.
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If the fan was not that noisy before , this can only be cause by a dirty fan and you may need to clean it up to reduce the hum coming out from it...

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My laptop (acer travelmate 5720G)is way too noisy and the fan never stops, i am sure the time has come for it to be cleaned.it over one year old.how could i do it myself and what do i need?thanx


To clean the fan you need to use a small battery powered hoover.

If you use a big hoover, that will work , but there is always the risk to damage the motherboard.

Sometimes hoovering is not enough, because dust had penetrated deeply inside the fan bearing, mixing up with grease and causing the noise. In that case you replace the fan.


Nov 06, 2008 | Acer Computers & Internet

1 Answer

Noisy fan after a few minutes start up


Yeah. i had this problem too. the fan is noisy because it is garbage. it needs to be replaced if you want to get rid of the noice. you moving the laptop wen the noise first started is just coincidence. the heatsink is fine, but the fan itself is poorly made. The ball bearings get loose and so the fan doesnt stay in its vertical plane and it kind of shakes a little, thats why it makes the noise. if you open it up and turn your laptop on, and wait for the noise, you will notice that if you push down lightly on the center of the fan, the noise goes away, because you are creating pressure at it's center of gravity point which makes it stop wobbling. you wont see the wobbling with the naked eye, because its much to slight to see, but its definatly enough to make that annoying fighter jet take-off noise..

as far as the noise, thats the sound it makes when something is wrong with the battery (if you ever drain it all the way down and try to boot it, it will make the noise) kind of messed up noise in my opinion, but its not a big deal, as long as it doesnt repeat. 

for the fan, you dont need to replace it if you dont use your laptop a lot, you can try to keep your laptop cooler to keep the fan from turning on also. i suggest one of those USB fan pads that you put under the laptop, or a thermal pad, thermapak makes one for $30 i think, and it drops temps by 6 degrees celcius they claim, i dont know exact numbers but if def helped me. you can also try to put something in the back to keep the back elevated (where all the heat is) and the fan wont spin as much.

i know with desktop fans that get lots of use, noise is the 1st sign of fan failure to come, but ive been using my laptop with that god awful noise for about 4months now, and its still alive and kicking.

good luck!

Aug 24, 2008 | Acer Aspire 5100-5033 Notebook

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