But 10 seconds after I wrote that, it went back to 1024x768.
I now have resolution options up to 1856x1392, but if I select those, my monitor says "out of range."

What is going on here???
...

Mine just went back to normal!

And as I was writing that, it went back to 1024x768... however, I at least have the option to go up to 1856x1392.
When I select the higher resolutions, I get an...

It just went back to 1920x1080 all by itself!

If only I had a roll back option...

No roll back option there either. Says my driver is from 2006.

Tried using AMDCleanupUtility. Still no Roll Back Driver option for me.
It says I'm using the LG driver from 2012. But still no 1920x1080 resolution option.

I had the same thing happen to me yesterday. Even made a thread about it.
I have the same card. Where can you get this older driver?

I think so.

It just happened again!

Device Manager > Monitor > LG E2411 (Analog) > Properties > Events says
Device configured (oem44.inf) followed by Device started (monitor) for the time that...

The Roll Back Driver option was grayed out and unavailable.

But I was able to solve the problem through System Restore.
Seems excessive, though.
If anyone has a simpler solution, please share.
...

My screen suddenly went from 1920x1080 to 1024x768 in the middle of running Windows 10.
Never had this problem before and the resolution was just fine on Windows 10 until this happened.
This would...