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I've installed Elementary OS on HP 15-bw011dx (UEFI/GPT, Secure boot OFF). Ethernet works but the wireless nic does not appear in SYSTEM SETTINGS/NETWORK.

In a terminal I entered the following command per these instructions:

sudo lshw -C network

The terminal returned the identification of my ethernet adapter (RTL8111/8168/8411), etc and its status. It went on to describe my wireless nic in this way:

fff
*-network UNCLAIMED

It recognized the controller as Realtek. Laptop driver download (Win) page is here.

I followed these instructions so I could add the ppa named in these instructions. So in order I entered the following commands into a terminal:

sudo apt-get install software-properties-common

sudo add-apt-repository ppa:hanipouspilot/rtlwifi
sudo apt-get update
sudo apt-get install rtlwifi-new-dkms linux-firmware

I then restarted and still the wireless adaptor is absent from SYSTEM SETTINGS/NETWORK and the interface still appears "UNCLAIMED".

According to these instructions I should issue the following commands:

sudo apt-get install linux-headers-$(uname -r) gcc g++ build-essential dkms git
sudo reboot
cd rtlwifi_new-rock.new_btcoex
make
sudo make install
sudo modprobe -rv rtl8723be

However, on entering the third command:

cd rtlwifi_new-rock.new_btcoex

I get

bash: cd: rtlwifi_new-rock.new_btcoex: No such file or directory

To recap: I would like to install the driver for Realtek RTL8723BE in Elementary OS (HP 15-bw011dx).

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