A friend recently contacted me telling me that the fan of his Acer Aspire One laptop made him go nuts. He felt that it was way to loud and wanted to know if there was a program to reduce the noise that the netbook makes. I quickly stumbled upon the Acer Aspire One Fan Control utility which proved to be very useful. While the software program was not able to regulate the fan speed it was able to set the temperature threshold so that the fan kicks in at a higher temperature level.
Acer Aspire One Fan Control works on computer systems running Windows XP or Windows Vista. It will place itself in the Windows system tray upon execution. A click on that icon will display a status bar containing information about the current cpu temperature and options to set the fan on and off temperatures. Finding the right settings might take some time as it largely depends on the climate but also the reliability (meaning a silent system that always crashes is not the right solution) of the computer system.

Users who do not own an Acer Aspire One but would still like to reduce the noise their computer makes might want to read articles like Hard Drive Noise Reduction, Create Video Card Profiles To Save Power And Reduce Noise or Lower Video Card noise by reducing the fan speed.
Acer Aspire One Fan Control is a free download and should only be executed on Acer Aspire One models.
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Nice find. Do you think you could find something that works with an Acer Extensa 4620? I’ll try this out when I get home, but I don’t know if it will work.
Made my Acer Aspire one crash!
Cool!! works great!! :)
Useless, my w7 crash down silently after few mins.
made my winxp sp3 with latest bios to crash!
Have not tried it yet. But is what I need.
Acer 5120 fan cycles on and off. Drives me nutty too. Seems to happen when I have internet explorer on. Does not cycle when using safari,
Comments of crashes above worry me. What else is there?
tried it on a an acer D255e, seemed ok but then caused an issue where wndows Xp decided that the battery was flat all the time.
GooD app but use with caution as the instructions say
doesn’t work on Acer AO722 – in fact it increased the fan and even after uninstalling (with Revo) the fan still runs. This sotware installed a piece of software – tcivport? – and I am looking into what that did. I would not recommend this