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Hi all, Please help me to get this backlight issue fixed. Yesterday i was cleaning my MBP 13" retina A1502 model and unfortunately i forgot to remove the battery power. While the board still in power ,i accidentally removed the Display flex cable. After i assembled the Display the backlight is not coming UP, Apple logo on back lid is also not lighting, but when i flash a bright light on display i could still see the login page barely. seems everything else working fine, only backlight is not coming UP. please help me to get it fixed , as the apple is demanding for board replacement which is much expensive for me to spend, also i lost my warranty just 3 months back. Any help would be much appreciated , thanks

I would go back through and make sure you’ve got every cable plugged in to the correct connector and none are bent into a odd shape or pinched. That will cause big problems. Also try doing a hard reset