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Question

We have purchased two units of ThinkPad T420 (4236-CJ4). The bluetooth is not working. I have tried different drivers but same issue. It just did nothing when I press Fn+F5.

 

What can I do to get this functioning?

Answer

  • Press Fn + F5 to enable Bluetooth. If there is no response please install the Hotkey Features Integration found in Lenovo support site-->  http://support.lenovo.com
  • Once it is installed ensure the WLAN master switch is on
  • Restart the system
  • Press  Fn + F5 to enable wifi  & Bluetooth

You should be able to use Bluetooth now.

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Comments

Make sure the bluetooth module is not disabled in the BIOS, under Security/I-O Port Access

shekharsaad

just install advanced system care and make windows vulnaberality fix