Wireless Adapter "Disabled" on EOS 5.1.5
 

So I had issue few times already. My PC doesn't come with a WiFi so I am using a usb wifi adapter. It worked just fine for few days then I boot back into EOS I don't see the WiFi option so I unplug it and plug it back in then it says "Device Unplugged" and "Disable Please enable to use WiFI" even through it's on

So I got it to restart with nmcli radio wifi on. Thanks for Help Anyways.

Ok, 208 views, no answers, let's have a go.
As root

1. 'lsusb' should find it in your usb port. Make sure it's a fast usb port, not a slow one. Note the description.
2. Search the web for your wifi id with the word 'module'; many of those usb inserts are Realtek, so it's probably rtlwifi. But if you don't have a new kernel rtlwifi from an old kernel mightn't cover yours. Anyhow once you know your module, run lsmod | grep <your-module> That will tell you if the kernel is loading it.
3. lastly, run 'ifconfig -a' and it should appear as a network interface. If you don't have ifconfig, 'ip link show' might do it. Success there usually indicates your firmware is loading.

Report back with the results and we'll figure out stuff from there.