what do each of the f keys do on a pachard bell easynote laptop do specifically?

Teddy Bear

New member
f2 looks like its something to do with wireless f3 looks like its maybe putting laptop to sleep f11 and 12 might be lighter darker i am not keen on trying them in case i cant get back to where i began also are there a combination of keys to do different things i.e would caplock have an effect or shift etc
 
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