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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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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"

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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

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1 Respuesta

Hi Michael, have you tried hooking the Macbook up to an external display? This will tell us whether or not the problem is with the screen or if it lies elsewhere. Let us know the results of this and we will be able to troubleshoot further. Best of luck!

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I did to no avail

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Michael MoGrath estará eternamente agradecido.
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