You may see the following on your screen:

Your system administrator has disabled launching of Display Settings Control Panel

To solve the problem, you need administrative privileges.

Cannot open Display Settings in Windows Control Panel

Open Run box, type gpedit.msc and hit Enter to open the Group Policy Object Editor. Navigate to User Configuration > Administrative Template > Control Panel > Display.

Next, in the right-side pane, double-click Disable the Display Control Panel and change the setting to Not configured. Reboot.

However, if your version of Windows Windows10, Windows 8, Windows 7 or Windows Vista does not include the Group Policy Editor, you may instead use the Registry Editor. Open regedit and navigate to the following key:

In the right-side pane, delete NoDispCPL value, if it is present.

Reboot. NOTE: In the later versions of Windows 10 and in Windows 11 the System/Display applet has been removed from the Control Panel. Hope this helps you resolve the problem. See this post if your Control Panel will not open.