Ubuntu 17.10 not detecting bluetooth mouse

My Logitech bluetooth mouse worked in 17.04 until I did a fresh install of 17.10 on my Dell Inspiron, now it doesn't see it. Bluetooth is on and sees my iPhone.

Had the same problem after upgrade to 17.10. For my intel bluetooth adapter disabling bt_coex_active solved it.

It uses iwlwifi so adding the text above in /etc/modprobe.d/iwlwifi.conf disables it, you can do it in one line:

echo "options iwlwifi bt_coex_active=0"|sudo tee --append /etc/modprobe.d/iwlwifi.conf

then you should restart your computer or you can reload your wifi modules. Again in one line:

sudo rmmod iwlmvm iwlwifi && sudo modprobe iwlmvm