What is this symbol on my F7 key? It does nothing when I press it? : r/whatisthisthing
US English Russian keyboard for Teclast F7 14.1 DK Mini 300E PRIDE K2381 K2790 343000075 RU Replacement Laptop Keyboards|Replacement Keyboards| - AliExpress
Resolve unexpected Function (F1 - F12) or other special key behavior on a Microsoft keyboard