IMAC 27" A1419 EMC 2639


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3 years 10 months ago #12027 by macman2014
HI GUYS I HAVE A STRANGE PROBLEM SOMEONE FETCHED THIS IN FOR REPAIR SOMEONE HAS CHANGED EFI NOT SURE WHY I HAVE REPROGRAMMED  IT AND CLEANED ME
SO IT LOADS APPLE LOGO AND BAR THEN THIS IS THE BIT I NEVER SEEN BEFORE THEY GO OFF HAS NORMAL BUT THEN LCD STAYS BLANK BUT BACKLIGHT IS STILL ON 
AFTER ABOUT 1 MIN IT REBOOTS IT DOES THIS ON ITS OWN DRIVE USB AND EVEN RECOVERY RUN BUILT IN DIAGNOSTICS COMES BACK NO FAULTS
BAD EFI OR ME THEN WOULD JUST STICK ON LOADING BAR BUT IT GETS PAST THAT STEP ANY IDEAS THANKYOU

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3 years 9 months ago #12059 by .::iRizwan::.
Seems like EFi issue to me.

if i helped you Buy me a Coffee

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