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Bluetooth isn't automatically on at startup

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So every time I boot up - i.e. every day - I have to manually turn on bluetooth. I'm on Ubuntu 20.04.2 LTS on my Lenovo Yoga 920.

I've searched around on the internet, and most answers say something like:

Edit /etc/bluetooth/main.conf and set AutoEnable=true.

But my AutoEnable is already true.

In case it helps,

dmesg -T | grep -i blue

yields

[Fri Jun 11 18:44:08 2021] Bluetooth: Core ver 2.22

[Fri Jun 11 18:44:08 2021] Bluetooth: HCI device and connection manager initialized

[Fri Jun 11 18:44:08 2021] Bluetooth: HCI socket layer initialized

[Fri Jun 11 18:44:08 2021] Bluetooth: L2CAP socket layer initialized

[Fri Jun 11 18:44:08 2021] Bluetooth: SCO socket layer initialized

[Fri Jun 11 18:44:09 2021] Bluetooth: BNEP (Ethernet Emulation) ver 1.3

[Fri Jun 11 18:44:09 2021] Bluetooth: BNEP filters: protocol multicast

[Fri Jun 11 18:44:09 2021] Bluetooth: BNEP socket layer initialized

[Fri Jun 11 18:44:10 2021] Bluetooth: RFCOMM TTY layer initialized

[Fri Jun 11 18:44:10 2021] Bluetooth: RFCOMM socket layer initialized

[Fri Jun 11 18:44:10 2021] Bluetooth: RFCOMM ver 1.11

[Fri Jun 11 18:44:45 2021] hid-generic 0005:046D:B01A.0005: input,hidraw3: BLUETOOTH HID v0.03 Keyboard [MX Anywhere 2S] on 64:6e:69:d1:a7:88

[Fri Jun 11 18:45:18 2021] hid-generic 0005:046D:B01A.0006: input,hidraw3: BLUETOOTH HID v0.03 Keyboard [MX Anywhere 2S] on 64:6e:69:d1:a7:88

[Fri Jun 11 18:46:14 2021] hid-generic 0005:046D:B359.0007: input,hidraw4: BLUETOOTH HID v0.10 Keyboard [ERGO K860] on 64:6e:69:d1:a7:88

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