wireless - Can't connect to wifi after update - Ask Ubuntu
this question has answer here:
on ubuntu 16.04.
when run lspci -nnk | grep -ia2 net get:
01:00.0 ethernet controller [0200]: realtek semiconductor co., ltd. rtl8111/8168/8411 pci express gigabit ethernet controller [10ec:8168] (rev 15) subsystem: lenovo rtl8111/8168/8411 pci express gigabit ethernet controller [17aa:383a] kernel driver in use: r8169 kernel modules: r8169 02:00.0 network controller [0280]: qualcomm atheros device [168c:0042] (rev 30) subsystem: lenovo device [17aa:4035] kernel modules: ath10k_pci $ rfkill list 0: ideapad_wlan: wireless lan soft blocked: no hard blocked: no 1: ideapad_bluetooth: bluetooth soft blocked: no hard blocked: no 2: hci0: bluetooth soft blocked: no hard blocked: no as requested:
$ uname -a; dmesg | grep ath linux yinon 4.4.0-45-generic #66-ubuntu smp wed oct 19 14:12:37 utc 2016 x86_64 x86_64 x86_64 gnu/linux edditional edit:
$ sudo modprobe ath10k_pci modprobe: error: not insert 'ath10k_pci': required key not available $ dmesg | grep ath [ 1.509368] [<ffffffff81081212>] warn_slowpath_common+0x82/0xc0 [ 1.509370] [<ffffffff810812ac>] warn_slowpath_fmt+0x5c/0x80 ethernet works good.
how can find out wrong?
this seems general solution 168c:0042 device issues, although hasn't worked me:
update device firmware:
wget http://mirrors.kernel.org/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.161_all.deb sudo dpkg -i linux-firmware*.deb after update, reboot , let know results
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