How to fix Wi-Fi problem in Ubuntu

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How to fix Wi-Fi problem in Ubuntu?

follow these commands to fix the problem:-

Step:1. Please install make command • Probably it is due to command make is not present in the system PATH, so remove and reinstall it. sudo apt-get install --reinstall make OR • Run this command to install make and all the packages needed to build your code. sudo apt-get install build-essential note:-Please update your kernel to lates one sudo apt-get dist-upgrade Step 2: In terminal enter

git clone https://github.com/lwfinger/rtlwifi_new.git Step 3: Now enter this

cd rtlwifi_new Step 4: And now paste this

git checkout origin/extended -b extended Step 5: paste these commands

sudo make install

sudo modprobe -r rtl8723de

sudo modprobe rtl8723de

Attention:- if you got error like: modprobe: ERROR: could not insert ‘rtl8723de’: Required key not available You MUST turn off secure booting in your BIOS! • Restart your laptop • If your laptop is hp i5 then you have to continue press ESC then • you will see an option for boot so choose bios setting from it and turn off(disable using F6) secure booting in your BIOS! In boot options Step 8: if the signal is week use • sudo modprobe -r rtl8723de && sleep 5 && sudo modprobe rtl8723de ant_sel=2 **you can also use ant_sel=1, sel=2 not work

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