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I have an HP laptop dual booted with windows 10 and Ubuntu16.04 LTS. WiFi on Windows works just fine but when I switch to Ubuntu, the network which was showing strong connection in Windows shows weak in Ubuntu. Sometimes it also refuses to connect. Can you please help?

Screenshot

David Foerster
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Tarun Mittal
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    Could you please post text files, dialogue messages, and program output listings as text, not as images? To achieve the latter two you can either 1) select, copy & paste the dialogue text or terminal content or 2) save the program output to a file and use that. Longer listings (the editor will tell you what's too long) should be uploaded to a pastie service and linked to in the question. Thanks. – David Foerster May 23 '17 at 05:13

1 Answers1

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Try this,

sudo service network-manager restart

OR

This done not working fine try below,

Hi, The special version 2 is for 64bit Ubuntu 12.04, Ubuntu 14.04 and above use the regular broadcom-kernel-source driver. From a working wired connection... Please open a terminal .. ctrl+alt+t .. and do...

Ignore file not found or errors..`

sudo apt-get remove --purge broadcom-kernel-source
sudo rm -rf bcma

then do,

sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get autoremove
sudo apt-get autoclean

Then install the wl driver..

sudo apt-get install --reinstall broadcom-kernel-source
sudo modprobe -v wl
Thilina Sampath
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    There is no package named broadcom-kernel-source and what does Broadcom have to do with the OP's Realtek wireless? – chili555 Mar 06 '18 at 20:06