Blank Screen Wont Boot


I have a problem with my MBPR Mid 2014 Model A1502.

I use this device about 1 year, today i got the problem.

When i turn on the device only blank screen, but the machine is turn on, then i try connect to external display with HDMI port, see the video record link.

What happen to my device and how to fix it, FYI My warranty has expired.

Thanks for your advice and answer.

Warm Regards

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What do you mean, "then i connect to external display with HDMI port see the video."

Are you saying that you can see video only when you connect a HDMI Display to the PC? And if so then have you tried to use the video setup on the PC to try to get the internal Display back but cannot?

Because if you cannot then you probably have a internal display board issue and it needs repaired.


sorry , i mean i have record into video about my problem.

when i trun on without external display only blank screen with very low chime sound, then i try to connect with HDMI port, i see the apple logo but the screen is have a line and red, then black/blank screen.


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