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Recently I installed Ubuntu 16.04 on my vaio vpccb17fx with Intel Centrino Wireless N1000. Unfortunately my signal strength is very weak, it keeps disconnecting and actually I can't use Wifi! I don't know what to do as I'm new to Linux. I would be very grateful for someone who could help me (and maybe others have the same problem) Thanks.

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WIFI regulatory domain not set

Set the WIFI country code for the Kernels current regulatory domain if it isn't set.

iw reg get

To set it

sudo nano /etc/default/crda
REGDOMAIN=<ISOCODE>

Reboot.

Upstream kernel

Try the latest upstream kernel. I saw WIFI bug-reports that were fixed with a new kernel, so it's worth a try. It also fixed mine. Read more about upstream kernels here.

Download and install the packages that corresponds to your architecture (e.g. AMD64, kernel 4.6-rc7-wily)

linux-headers-4.6.0-040600rc7-generic_4.6.0-040600rc7.201605081830_amd64.deb
linux-headers-4.6.0-040600rc7_4.6.0-040600rc7.201605081830_all.deb
linux-image-4.6.0-040600rc7-generic_4.6.0-040600rc7.201605081830_amd64.deb


sudo dpkg -i *.deb
sudo reboot
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  • Made no difference, :( I think I should dual boot with Windows so that I can use wifi – Hamed.Y May 11 '16 at 17:05
  • Try the new kernel, i updated my answer. – Janghou May 13 '16 at 9:04

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