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ayushbatar

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422

March 18th, 2023 20:00

how to install wireless WAN drivers in dell inspiron N5040 on ubuntu OS.

I went to reset my Windows 10. but while the windows were resting the laptop shut down. after that, I power on my laptop again and windows do not reset So I reset the Windows a second time successfully. but when I went to connect wi-fi. but the wi-fi network show in the list but does not connect. I check everything passwords and reset the network but it does not work.

So, I am installing ubuntu and I face the same problem as Ubuntu after this  I open the boot mode of the laptop and diagnosis. I find in the diagnosis result that wireless WAN is not installed.

Please tell me what I can do now dell does not provide drivers for ubuntu.

how I can install the WAN driver?

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John harper

2 Intern

 • 

346 Posts

March 28th, 2023 00:00

Installing Realtek wifi driver in ubuntu (any version)
sudo apt-get install linux-headers-generic build-essential git.
cd rtlwifi_new.
make.
sudo make install.
sudo modprobe rtl8723be.

 

Regards,
James

kiwisbrown

5 Posts

April 3rd, 2023 01:00

  • First upgrade the kernel to 3.16.
  • reboot into the new 3.16.x by command sudo reboot
  • After rebooting, run sudo apt-get -f autoremove
  • Now we have to remove old kernel, for that, first list the kernels currently present by command sudo dpkg --list | grep linux-image
  • It gives a list of kernels, identify the older version, for example linux-image-3.11
  • Give command sudo apt-get purge linux-image-3.14
  • Now give command : sudo update-grub2
  • Now reboot by sudo reboot
  • Now we have to install realtek driver. For that follow below commands :
    1. sudo apt-get install linux-headers-generic build-essential git
    2. git clone https://github.com/lwfinger/rtlwifi_new
    3. cd rtlwifi_new
    4. make
    5. sudo make install
    6. sudo modprobe rtl8723be
  • This rtl8723be in last command was the driver I required. There are many other drivers of realtek in rtlwifi_new. For me, rtl8723be was required, you may require some other driver. To check which driver you need, give command lsusb and search the output list for something like 0bda:b728 Realtek Semiconductor Corp. This b728 can be something else, and this will determine driver required. Google for more info.

 

 

 

 

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