Experienced the same problem as the OP. Downgrading to 4.15.0-43 worked
for as well. The only difference is that my laptop is Dell E7450.
To be more specific, With dock and an external screen the system freezes
when I close the laptop lid. When booting with the laptop lid is closed,
the system doe
Here's my dmidecode for a Thinkpad W520:
8BET62WW (1.42 )
07/26/2013
It has the newest available BIOS.
lspci:
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor
Peak] (rev 34)
Kernel:
Linux juraj 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016 x
I can confirm same behavior as James Ferguson on a Thinkpad W520 with
Intel Wireless Centrino 6205 Advanced-N. Network manager fails to
display any signal strength and visible networks, but I am actually
connected and internet works. This didn't happen on Ubuntu 14.04.
--
You received this bug no
https://github.com/lwfinger/rtl8723be - works for B5400. However, it is
necessary to manually declare few constants in the code:
#define IEEE80211_CHAN_NO_IR0
#define REGULATORY_CUSTOM_REG 0
#define REGULATORY_STRICT_REG 0
#define REGULATORY_DISABLE_BEACON_HINTS 0
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