debian 10 how to install the wifi adapter driver

  1. open terminal
  2. install lshw:
    sudo apt-get install lshw
    3. lshw -c network
    then it should list the network adapter on your system
    if you can find your wifi adapter is listed, then go on next step,
    if not listed, check if the wifi button or switch on your laptop is on.
    4. important:
    go to system settings: software & updates, debian software: 
    downloadable from the internet: enable non-free options
    or all the opiton.
    4. my wifi is intel 2100 so then run the following command line:
    sudo apt-get install -y firmware-ipw2x00 wireless-tools

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