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I was using windows 7 before the update and before the update the driver was working good it was detecting all the WiFi networks but after the update there is a notification which is 'NO WIFI - ADAPTER FOUND'. My WIFI driver model is -07:00.0 Network controller: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n (rev 01)

Please help me, I have to attend my classes, so please help me as soon.

Thank you!

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  • Please edit the title of your question to just reflect the question. This site is aimed to gather knowledge in a format useable in the future, so question should be properly formatted. – vanadium Jun 11 at 9:49
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You'll need to install the Broadcom STA driver for this device. So long as you have a wired network connection, you can do it like this:

  1. Open Terminal (if it's not already open)
  2. Update Apt:
    sudo apt update
    
  3. Remove the current wireless driver (if it's installed):
    sudo apt purge bcmwl-kernel-source
    
  4. Install the Broadcom STA drivers:
    sudo apt install broadcom-sta-source broadcom-sta-dkms broadcom-sta-common
    
  5. Reboot

This should allow you to use the wireless device.

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  • Thank you so much!!!!...This helped me..Thank you once again! – Akshith Thota Jun 12 at 6:28
  • @AkshithThota You can acccept the answer (by clicking on the check mark), since it worked for you. – Archisman Panigrahi Jun 12 at 15:20

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