Some FN keys do not respond

hi everyone,

use imac late 2009. accidentally installed developer version of 10.7.2 mac os x lion, considering official one. after giving on net, found way go 10.7.1. after installed official one. no problem till here.

keyboard issue began after that. f1,f2,f3,f4,f5,f6,f7,f8 , f9 not respond. checked using virtual keyboard on mac , can't click on these buttons on virtual keyboard well.

yesterday, upgraded imac 10.7.3, nothing changed.

suggestions issue?

 

erdeminanc said: ↑

hi everyone,

use imac late 2009. accidentally installed developer version of 10.7.2 mac os x lion, considering official one. after giving on net, found way go 10.7.1. after installed official one. no problem till here.

keyboard issue began after that. f1,f2,f3,f4,f5,f6,f7,f8 , f9 not respond. checked using virtual keyboard on mac , can't click on these buttons on virtual keyboard well.

yesterday, upgraded imac 10.7.3, nothing changed.

suggestions issue?

click expand...

have below ss on standard function keys (check box)? if not, turn on, , standard f12 keyboard.

if doesn't work try replugging keyboard in.

 

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