I know, there are a lot of similar posts, but I'vent found any solution on my problem.
I've got an Acer Aspire One 722 with wireless card Broadcom 4313
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07:00.0 Network controller: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter (rev 01)
Kernel: 3.17
I tried to use opensource driver (called brcmsmac) but signal is really weak and I can't use my notebook as normal. In previous version of Ubuntu and Mint (ex. 13.10, 13.04) I used bcmwl, but here I couldn't install it - still show:
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module: wl NOT FOUND
Have you any ideas?
Thank you very much for help!
Regards!
PS. Maybe somebody know how to use brcmsmac with better signal?