Why might hotkeys not work in the browser?

Question

Windows

New hp laptop. Switching between tabs in browsers with ctr+fn+↑ arrows doesn't work.
I tried different browsers, updated the driver, rebooted. Windows 11
Other hotkeys work

Answer 1

Maybe under the 11th they don’t make a fuss. Now a lot of wondrous miracles will be seen by the people during the transition to a new Windows.

Answer 2

Do combinations with FN work in other places?
On laptops, often for the correct operation of key combinations with FN, you need to install software from the manufacturer, if it is not pre-installed Windows.