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drivers - Windows 10 - Bluetooth turned off and now can't be turned back on - "Bluetooth setting cannot be changed."

I have Bluetooth headphones, and they were out of battery so I disconnected them. When I tried to reconnect later, they refused, so I tried turning the bluetooth off and on in Windows. When I turned it off, however, the button to turn it back on disappeared:


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Furthermore, the Bluetooth icon disappeared from the "hidden icons" in the task bar.


I went to the Start menu and tried using Cortana to turn it back on, I typed "turn on bluetooth" and after a few seconds it said "Bluetooth is connected", and then another second later it says "Bluetooth setting cannot be changed".


What is happening? How can I get my bluetooth toggle back? Should I try uninstalling the bluetooth driver and letting Windows reinstall it upon startup?


EDIT: After restarting my computer, the Bluetooth driver is entirely missing. I will try restarting my computer to see if it reinstalls.


EDIT 2: It did not reinstall.


EDIT 3: I attempted to install Intel's drivers but they did not show up in the driver's list. I then realized that there were "hidden drivers" and indeed, the original bluetooth drivers were hidden for some reason. All of them were up to date, but when I viewed their "properties" they displayed "Currently, this hardware device is not connected to the computer. (Code 45)". Should I uninstall them?


EDIT 4: As per Microsoft's suggestion, I uninstalled the device drivers and attempted to restart to reinstall them. Nope, no reinstall. My bluetooth drivers are just gone forever now.

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