Computer Help and Support

If the monitor is a "generic PNP" in the settings it needs to be re-installed/recognized with the specific driver for the specific monitor. This is especially important on laptops.

I work with these things all day as Tier 2 tech. Laptop monitors in the device manager really do need to be installed with the proper driver. This should already be installed on the machine and your suggestion to delete it in the Device Manager and reboot is a good one. You can also, delete, click on Action and "Scan for hardware changes" most of the time. This saves time if your machine is slow to reboot. Like a lot of them I work on.

This used to not matter so much for desktops and external monitors on laptop docking stations. GenericPNP worked for the most part on almost all monitors. Windows 10, though, does seem to not work very well if you don't have the actual driver specific to the monitor installed.

Bottom line now days. Make sure the monitor driver that is installed matches your monitor. Go the manufacturer's web site to get it if you have to.