Sometimes zapping pram ( cmd-opt-p-r) 3 or 4 times in a row helps. Just
keep those keys prssed undil you hear a startup chime again and again. I
vaguely remember reading somewhere that you actually  had to do this on
older Macs

Andy

>While messing around in OF my video stopped working so I decided to zapp
>the pram. Now, video doesn't work and the system doesn't boot. DOes the
>install set anything specific in the OF? I mean not the boot-device or
>boot-file etc, but f.e. nvramrc ?
>Where to find more on OF (I have all 3 Apple Tech Notes mentioned in the
>FAQ, they don't help)?
>
>
>Thanx,
>	Pawel