My start up keys ( combinations ) not working

[alixerror]

hi
Startup key combinations for Intel-based Macs

my start up keys not working when i hold keys like command-s or d or c and more ...

just option key is worked

any idea ?

Thanks

 

[Ashka]

Pressing the power button doesn't work?

 

[alixerror]

Pressing the power button doesn't work?

the power button is work
just start up keys doesn't work

 

[LtRammstein]

What do you mean by startup keys? Do you mean that your keyboard doesn't work?

 

[alixerror]

What do you mean by startup keys? Do you mean that your keyboard doesn't work?

i meant command like this = command-s , command-v , C , D and More ...
Just Option Button worked

Yes my keyboard doesn't work for this commands ... ( during start up )

 

[alixerror]

My Friends Any idea?