Left-Shift + Windows key + F23… The 122-key keyboard layout with F23 lives on. Beyond people who still swear by old Model F and M keyboards, Model F Labs and Unicomp both currently sell modern ...

Another solution is to press the two Shift keys alternately. Repeat that for about a minute. By holding both Shift keys and CTRL; If nothing of the above fixes your problem, try holding both Shift ...