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[Acer Aspire S3-391] Wifi problem on Windows 8
I bought my ultrabook(Acer Aspire S3-391) 1 month ago.
When I bought it, Windows 8 was already installed.
But there is wifi problem(Atheros AR5BMD222).
Just very rarely connected.
I did below things to fix this problem.
Upgrade wireless driver(10.0.0.217 v3 / 10.0.0.75 / 10.0.0.221) after unintall and delete previous version
(I tried 3 versions)
Upgrade router's Firmware
Change Power option(Maximum Performance)
Not allow the computer to turn off the device to save power
netsh winsock reset catalog (reset winsock entries) / netsh int ip reset reset.log hit (reset TCP/IP stack)
I tried to find information regard to this problem to fix. And I followed someone's suggestion.
But it doesn't work. In my opinion, the problem is caused by windows 8.
I have the other lap-top(ASUS, windows 7), and it works very well.
My mobiles, ASUS lap-top, IPAD. Everyhing works very well.
I am waiting for your suggestion.
Thanks very much in advance.