[PLUG] WiFi not working. Ubuntu 16.04. Lenovo x200

[Dick Steffens]

On 06/12/2018 11:05 PM, Russell Senior wrote:
> Check dmesg.
>
[   21.949051] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUG disabled
[   21.949055] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUGFS enabled
[   21.949057] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled
[   21.949060] iwlwifi 0000:03:00.0: Detected Intel(R) WiFi Link 5100 
AGN, REV=0x54
[   21.949118] iwlwifi 0000:03:00.0: L1 Enabled - LTR Disabled
[   21.949538] iwlwifi 0000:03:00.0: RF_KILL bit toggled to disable radio.

> Also, what does lspci say your radio is?

rsteff at ThinkPad-X200-Tablet:~$ lspci
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory 
Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series 
Chipset Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset 
Integrated Graphics Controller (rev 07)
00:03.0 Communication controller: Intel Corporation Mobile 4 Series 
Chipset MEI Controller (rev 07)
00:03.3 Serial controller: Intel Corporation Mobile 4 Series Chipset AMT 
SOL Redirection (rev 07)
00:19.0 Ethernet controller: Intel Corporation 82567LM Gigabit Network 
Connection (rev 03)
00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #4 (rev 03)
00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #5 (rev 03)
00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #6 (rev 03)
00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio 
Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 2 (rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 4 (rev 03)
00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #1 (rev 03)
00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #2 (rev 03)
00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #3 (rev 03)
00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M-E LPC Interface Controller 
(rev 03)
00:1f.2 SATA controller: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 
4 port SATA Controller [AHCI mode] (rev 03)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller 
(rev 03)
03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN 
[Shiloh] Network Connection
rsteff at ThinkPad-X200-Tablet:~$

I don't know if the radio is part of one of those. If not, then I'm 
guessing that is telling me it's a hardware problem.

-- 
Regards,

Dick Steffens