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I use Ubuntu Studio 19.10 (I'm still waiting for the 20.04 upgrade, it seems to be not available in my country, yet).

In the BIOS system of my Laptop, I set OFF the internal Webcam and Microphone (because some problems with video playback, it seems to be something related with the slow CPU that machine has).

Whatever, as those devices are set OFF in the BIOS system... Can we set this ON from some Ubuntu line command or something?

It is intended to know about the possibility of some external attack (From the web, as example).

Juan
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  • Ubuntu cannot change BIOS settings. If it's OFF in BIOS, then it's OFF and Ubuntu cannot change it. For 20.04 availability, see https://askubuntu.com/a/1229900/19626 – user535733 May 03 '20 at 17:21

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Afaik, if the devices is set to OFF in your BIOS, it is NOT POSSIBLE to activate it from the operating system.

ie: In my case if I switch my wireless card to off in the BIOS, rfkill shows the device is hard blocked (hardware blocked).

ID TYPE      DEVICE      SOFT      HARD
 0 wlan      phy0     blocked   blocked
 1 bluetooth hci0     blocked   blocked
Fractalyse
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