Switch to external monitor without key Fn

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problem:

"happy" owner of a Dell Inspiron 3800 with a cheap plastic keyboard, I am faced with a dilemma:

I would switch my output to the external output by Fn + F8

Alas my Fn key is down dead (like the Ctrl-suite, but for her it's okay, there's little sister on the other side), is there a key combination or other means of "simulate" pressing the Fn key?

In advance thank you.

solution:

You will start in, you look at keyboard typing and you will have the Fn

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Posted in: external,Fn,key,monitor,without