When you have multiple displays connected in Windows 11, you may need help to identify the displays to see which number corresponds to a display.
A number appears on the screen of the display it's assigned to.
Learn how to connect your Windows PC to external monitors and adjust the display settings.
This tutorial will show you how to identify displays in Windows 11.
EXAMPLE: Identify displays
Open Settings (Win+I).
Click/tap on System on the left side, and click/tap on Display on the right side. (see screenshot below)
Click/tap on the Identify button. (see screenshot below)
Open the NVIDIA Control Panel.
Click/tap on any Display setting link in the left pane of NVIDIA Control Panel. (see screenshot below)
Click/tap on Display on the menu bar.
Click/tap on Identify displays to check (show) or uncheck (stop showing) it for ID numbers on the displays.
Open the Intel Graphics Command Center.
Click/tap on any Display in the left pane of Intel Graphics Command Center. (see screenshot below)
Click/tap on the Identify button.