1 Black screen logic board fail?
Black screen, no chime, solid light
Good day,
My wife's MacBook turns on but does not have any graphics(black screen, fans and HD spool up). After reading threads in your forums, I do not believe it is booting and therefore believe it is the logic board. I am ready to buy one from you guys but thought I should ask first. The machine is used very little, has no damage whatsoever, (no fluid spilled, never dropped etc), no beeps on boot and a solid light.
I have done the following:
Tried all the key commands to reset the PRAM and SMC
Disconnected the battery, plugged it in, re-connected the battery.
Removed both banks of RAM- no beep, solid light, no pause, no pattern.
The the serial number is C02JTMCPDTY3
Thank you,
-m
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11 
1 
2.5 GHz Core i5 (I5-3210M)
Intro. June 11, 2012 Disc. None
Order MD101LL/A Model A1278 (EMC 2554*)
Family Mid-2012 13" ID MacBookPro9,2
RAM 4 GB VRAM 512 MB*
Storage 500 GB (5400 RPM) Optical 8X DL "SuperDrive"
- de oldturkey03
UPDATE
Received the logic board from you guys in record time. I replaced it with the help of your guide in about 2.5 hours.
So far, working great.
Thank you .
-m
- de Michael MoGrath