'Bless' OS X system folder


hey guys,

encountered strange problem - 2 somehow 'unblessed' system folders!
i'll explain did, maybe can tell me did wrong.
exchanged hdd of 12" ibook ssd , installed leopard on it. on hdd tiger. after days decided make multi boot because battery better tiger on machine i'd have tiger mobile , leopard workstation use.
after cloning tiger second internal partition there no more startup disk in system preferences. shut down , hoped there mistake , both oss there - wrong, both gone , when selecting partition instead of apple logo see unpleasant circle line right through it...

looks me unblessed system folder, thought blessing stuff didn't exist in os x? suggestions on how proceed now?
 

assuming nothing else has gone astray, boot install disk , select terminal.

bless --mount /volumes/macintosh\ hd/ --setboot

replace “macintosh hd” volume name applicable.
 


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