prior new hard dive, had efi 1.7 firmware , original stock drive absolutely flawless. fast, reliable--the reason upgrade merely more space.
after installing new hard drive, initial boot took longer usual. had read normal didn't think it. once started up, however, computer super super slow. like, every click, opening of folder, typing input box, etc. caused endless beachballs , lagging. looked issue (using iphone since computer pretty useless) , found slowness expected spotlight reindexing drive. left computer running, came in few hours, , checked activity monitor confirm spotlight no longer indexing. still extremely, painfully slow. repairing permissions, resetting pram, etc. did absolutely nothing.
further research brought me issue of mid-2009 unibodys 3.0 (see: here , here). followed makeshift solution, downgrade efi 1.7 1.6 (instructions here) , thank god. computer super fast , operating normal. no more beachballs or lagging (knock on wood).
question is, issue apparently has been going on since 2009. experienced because first time upgraded hard drive. have there been new developments or destined live efi 1.6 forever? i'm afraid downgrading fix temporary solution , won't stable in long run in terms of capability hard drive mechanism.
there's been no new developments; indeed issue has been outstanding since june 2009 per this. whilst it's not beyond bounds of possibility apple might resolve this, becoming increasingly unlikely time goes on. mid-2009 machine in same situation own wound restoring stock drive, restoring firmware 1.7 , living it.
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