[robertosburn]

1.Reinstall Monitor driversPress Windows key + I to open the Settings app.
Select Update & security section.
Highlight Recovery from the left pane.
Click on the ”Restart Now” button.
Choose Troubleshoot.
Open Advanced options.
Select Startup settings and then Restart.
Now, press 4 or F4 to boot your PC in Safe mode.
Once the system boots, right-click on the Start menu and open Device Manager.
Navigate to Monitor.
Right-click and uninstall the device.
Restart your PC.

2. Check GPU drivers

Right-click on the Start and, from the Power user menu, select Device Manager.
Navigate to Display adapters and expand this section.
Right-click on your graphics device and open Properties.
Select Details tab.
From the drop-down menu, open HardwareIds.
Copy the first row and paste it into your browser’s address bar.
The search results should show you the exact drivers you’ll need to install.