Saya tidak dapat melihat jaringan wifi apa pun setelah memutakhirkan ke Ubuntu 16.04 dari 14.04. Masalah ini juga terjadi ketika mencoba meningkatkan ke Ubuntu 15.10. Seperti inilah tampilan jendela jaringan saya:
Saya mengaktifkan Broadcom di jendela Perangkat Lunak & Pembaruan:
Juga tidak ada pilihan untuk Wifi di menu dropdown di kanan atas. Tangkapan layar berasal dari Ubuntu GNOME, tetapi juga tidak berfungsi untuk Ubuntu standar. Bagaimana saya bisa mengaktifkan jaringan wifi?
Output dari lspci -knn | grep Net -A2
:
07:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
Subsystem: XAVi Technologies Corp. BCM43142 802.11b/g/n [1b9a:3002]
Kernel modules: bcma, wl
Output dari sudo apt-get install bcmwl-kernel-source
:
Reading package lists... Done
Building dependency tree
Reading state information... Done
bcmwl-kernel-source is already the newest version (6.30.223.248+bdcom-0ubuntu8).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Output dari sudo apt-get install --reinstall bcmwl-kernel-source
:
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 0 B/1,515 kB of archives.
After this operation, 0 B of additional disk space will be used.
(Reading database ... 153417 files and directories currently installed.)
Preparing to unpack .../bcmwl-kernel-source_6.30.223.248+bdcom-0ubuntu8_amd64.deb ...
Removing all DKMS Modules
Done.
Unpacking bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu8) over (6.30.223.248+bdcom-0ubuntu8) ...
Setting up bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu8) ...
Loading new bcmwl-6.30.223.248+bdcom DKMS files...
Building only for 4.4.0-21-generic
Building for architecture x86_64
Building initial module for 4.4.0-21-generic
Done.
wl:
Running module version sanity check.
- Original module
- No original module exists within this kernel
- Installation
- Installing to /lib/modules/4.4.0-21-generic/updates/dkms/
depmod....
DKMS: install completed.
modprobe: ERROR: could not insert 'wl': Required key not available
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.122ubuntu8) ...
update-initramfs: Generating /boot/initrd.img-4.4.0-21-generic
Output dari sudo modprobe wl
:
modprobe: ERROR: could not insert 'wl': Required key not available
sudo apt-get install --reinstall bcmwl-kernel-source