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(1) Part Number: 821-2049-A;
(2) Item model number:923-0104-a;
(3) Compatible Model: MacBook Pro 13" A1278;
(4) Compatible Model Number : MD101LL/A,MD102LL/A;
(5) Compatible Subfamily : 2012;
Printed NO 821-0645 for A1278 13.3inch 2008 mb466/mb467
Printed NO 821-0814 for A1278 13.3inch 2009-2010 922-9062 7105 mb990/mb991 mc374/mc375v(pls check Asin B01MR2KIST if you need it.)
Printed NO 821-1226 for A1278 13.3inch 2011 922-9771 mc700/mc72 md313/md314
(pls check Asin B01NAQ1ZLK if you need it.) Something wrong happaned to your macbook laptop, it seems look like:
(2)Internal hard drive disk not recognized, not respond any more
(3)freezes takes long to start up
(4)flashing folder icon on boot
(5)got the flashing question mark folder, a sure sign of death when the computer turned back on
(6)didn't boot up properly and the screen displayed a folder with a question mark! Restarting again did not make the folder with question mark go away
(7)boot to a gray screen or keep freezing when it did boot.
(8)A new drive did not solve the problem.
Pls feel free to contact with us if you have any questions .
SUNMALL 821-2049-A HDD Hard Drive w/IR/Sleep/HD Cable Replacement with Bracket or Apple MacBook Pro Unibody 13" A1278 2012 Year MD101LL/A MD102LL/A(3 Months Warranty) - B07D9HBKTL