Have you tried installing the Windows 11 chipset driver and the Intel HID Event Filter driver for Windows 11 from the 5419 support page here? Also make sure you have the correct language setting in Windows 11. It may be that the keyboard is switching back and forth between 2 language settings. Check the language and region settings.
On the keyboard it shows the symbol '@' on number 2 key. Now when I hit SHIFT+NUM2 the symbol is double quote - " Is there anyway to fix it or change the settings? Laptop model: Dell 2-in-1 5410
Keys swapped in the keyboard after win 11 update