I checked a lot of threads but nothing seems to be the solution.
Anyway the only thing I can do is run this command:
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sudo modprobe -r rtl8723be
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sudo modprobe -v rtl8723be ant_sel=2
Before doing this I only have 1 bar on the wifi icon, after this I have all bars. Also the speed test is way better after I run those 2 commands in the terminal.
The problem is that when I reboot I again find that the wifi signal is weak and must do again the two steps in the terminal. the
Is there any solution to this, so I can have permanently strong wifi?
Also if I run
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sudo nano /etc/modprobe.d/rtl8723be.conf
which means ant_sel=2 is selected.