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shibasisp/rtl8723be issue.md

Created July 14, 2017 15:42
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rtl8723be issue.md
  1. First upgrade the kernel to 3.16 as shown in accepted answer at this link
  2. Reboot into the new 3.16.x by command sudo reboot.
  3. After rebooting, run sudo apt-get -f autoremove
  4. Now we have to remove old kernel, for that, first list the kernels currently present by command sudo dpkg --list | grep linux-image
  5. It gives a list of kernels, identify the older version, for example linux-image-3.11
  6. Give command sudo apt-get purge linux-image-3.14
  7. Now give command : sudo update-grub2
  8. Now reboot by sudo reboot
  9. Now we have to install realtek driver. For that follow below commands :
  • sudo apt-get install linux-headers-generic build-essential git
  • git clone https://github.com/lwfinger/rtlwifi_new
  • cd rtlwifi_new
  • make
  • sudo make install
  • echo "options rtl8723be fwlps=0" | sudo tee /etc/modprobe.d/rtl8723be.conf
  • sudo modprobe -r rtl8723be
  • sudo modprobe rtl8723be ant_sel=2

https://askubuntu.com/questions/635625/how-do-i-get-a-realtek-rtl8723be-wireless-card-to-work

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