How do I install Wi-Fi drivers for Realtek RTL8723DE device in Ubuntu 16.04?
lspci -v | grep -i network 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device d723
You may use the driver hosted at Larry Finger’s
rtlwifi_new git repository. You would have to disable secure boot from the the BIOS/EFI first. Also make sure you have
linux-headers for the respective kernel(s) and
build-essential package installed. Then follow the steps below (you need to be connected to the internet by some other mean).
dkmsif they’re not installed by running
sudo apt install git dkms
- Clone the repository
git clone -b extended --single-branch https://github.com/lwfinger/rtlwifi_new.git
- Run the following commands to install
sudo dkms add rtlwifi_new sudo dkms install rtlwifi-new/0.6
This should also work with newer kernels (and hence on Ubuntu 18.04 too).
Note: If you get very weak signal try changing your antenna selection
sudo tee /etc/modprobe.d/rtl8723de.conf <<< "options rtl8723de ant_sel=2"
ant_sel=1 if 2 doesn’t help).
See this for Bluetooth: How to activate bluetooth device for RTL8723DE?
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