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I recently installed Ubuntu 12.04 on my new Acer Aspire Timeline Ultra M3-481T-53314G52Mass and everything works fine except the wifi. The connection always drops down after a few Minutes. I saw some threads with similar questions, but nothing really helps me. Would be great to get an answer here.

Best regards

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possible duplicate of [Solved]Wireless cycling between connected and disconnected. If that doesn't help provide hardware details same as in the linked question – Web-E Dec 22 '12 at 11:46

i had loads of trouble with all sorts of methods not working.

Get to a wired connection,


sudo apt-get install linux-firmware-nonfree

after installing i removed the wired connection and rebooted the system.

worked like a charm

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