Hello,everyone.Today , I want to share how to fix Realtek RTL8723BE Wireless Network Adapter Low Wi-Fi Signal Issue on Ubuntu/Linux OS.This tutorial can be also used for other Realtek Wireless Network Adapters supported by rtlwifi_new .
I have a great interest in using Using Ubuntu OS , so I installed latest version of Ubuntu OS alongside Windows OS.But, I faced low Wi-Fi signal issue on Ubuntu OS .Ubuntu OS failed to find many Wi-Fi networks which I could easily find & use on Windows OS. Then,I started finding solutions to my problem and I found a working solution.
Tools Required
rtlwifi_new https://github.com/lwfinger/rtlwifi_new
Steps
1. Download rtlwifi_new from above link and extract it to Desktop (or to your desitrd folder).
2. Open Terminal and change your directory to the folder where you extracted rtlwifi_new zip file (here ,Desktop/rtlwifi_new-master by using cd command .See Screenshot given below :
cd Desktop/rtlwifi_new-master
3. Now,run this command in Terminal as shown in Screenshot given below
make clean # (optional for first time installation,you can use it for further installation)
make
4. After that ,run this command in terminal as shown in screenshot given below:
sudo make install
5. If everything is allright,you will see the message " Install rtlwifi SUCCESS ". It means that rtlwifi has beeen installed successfully.
6. Now,run this command as shown in screenshot given below :
sudo modprobe rtl8723be
7. After that , run this command as shown in screenshot given below :
echo “options rtl8723be ant_sel=2” | sudo tee /etc/modprobe.d/rtl8723be.conf
8. This step is optional.If you want to see that text contents are written successfully to /etc/modprobe.d/rtl8723be.conf, you can use this command as shown in screenshot given below :
cat /etc/modprobe.d/rtl8723be.conf
9. If all the above commands ae executed successfully,then everything has been done. Now,you need to restart your computer and you will see Wi-Fi working properly and your computer will find available Wi-Fi networks in your area.
10.After restarting your computer, select Wi-Fi network which you want to connect .
I hope this post will be useful for many users who use Realtek Wireless Network Adapter and face low Wi-Fi signal issues on Ubuntu OS.
If you have any query or you face any problem ,please comment.Thank you for reading my post.
Thanks : lwfinger ( Author of rtlwifi_new)
Sources
3. https://connectwww.com/how-to-solve-realtek-rtl8723be-weak-wifi-signal-problem-in-ubuntu/4625/