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I'm using Ubuntu 20.04 with kernel 5.11.0-25. If I connect a Bluetooth device (e.g. my keyboard after going to sleep or a new USB device, but not SD cards) the system will freeze for around 5 seconds. Audio will keep playing, but the image is frozen and the mouse/etc will not work.

Unfortunately I cannot show any code or ideas.

How can I solve this problem?

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  • Have you made any changes in your BIOS? Can you try resetting it to defaults and disable Fastboot & Secureboot ? Does your system freezes with every peripheral or USB devices when connecting your system, this can be hardware specific as well. Since the information you have given is very limited, these are just the ones that come to my mind :)
    – bw3u
    Aug 10 at 12:45
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    Then I shall be running these tests later this evening :) thank you Aug 10 at 16:43
  • So it seems secure boot is greyed out with the value 'enabled' so no hope to change this. Fast boot is indeed disabled. OS type is dry to "Other OS" if they helps us at all. Aug 13 at 17:48
  • Hmm, afaik secure boot should be disabled it can cause issues sometimes, best to disable that. Never heard of OS type but seems irrelevant, are you using a laptop if so which model? Can you try to burn a new iso into a usb drive and boot to live environment and play around, let's see if it's hardware/bios issue.
    – bw3u
    Aug 13 at 22:13
  • It's a desktop machine, Asus mother board. Booting into live disc!!! Genius god, why didn't I think of that😂. I'm annoyingly out of the country for 9 days now and my bounty will close!! Feel free to give some information and I'll gladly award the bounty and try to trouble shot when I'm back Aug 14 at 7:59

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