Question about Acer Aspire 5100-5033 Notebook

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Noisy fan after a few minutes start up

I have an Acer Aspire 5100 laptop which I got in the end of November last year. Now it was running fine, until a few months ago when I moved it to the side to plug the power cord back in, there was a noise where the fan it. It was loud and made me think it was gonna blow up lol. Anyway(I **** at describing sounds), I got it looked at, but it didn't do the noise, only when it was moved around. Which was fine, I could still use it. Then it was offline for three weeks and I started using it again which is ran fine until yesterday when it would start up. I turned it onto hibernate which normally gets rid of the noise, and when I started it up, a few minutes would go by then bam, the noise starts again. Sometimes the noise starts when the laptop gets turned on but then goes away again.

Also, its worth mentioning the other day, when I turned it back on after the three weeks(we had a powercut, then storms so I kept it off), it made this high pitch sound which disappeared. Does anyone know whats going on here? The high pitch sound hasn't happened again, its just the noisy fan.

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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!

Posted on Oct 13, 2008

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