modprobe
does not exist so I try/etc/modprobe.d
whether there are any file like intel-5100-iwlwifi-disable11n.conf
then edit the file.lspci -nnk | grep -iA2 net
lsmod
iwconfig
rfkill list
compat-drivers-3.9-rc4-2-su.tar.bz2
to a folder on your machine.unzip
the tar file using tar xf compat-dri..
cd
into the unzipped file and issue the following commands;