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Using laptop one day, never dropped. Screen flashed a bunch of colors and went dead. Black screen but it works 100% fine if I plug into an external monitor. Tried the flashlight into the apple backlight logo with, don’t see any icons.

It is essential that we know your exact machine to give you a correct diagnostic path. Plug in the serial number from the back of your machine in here and let us know your findings https://everymac.com/ultimate-mac-lookup… UPDATE 2/1/19 Thanks for the identification. Icon has been changed to the correct one. First disconnect the battery and use this guide to step #11 to reseat the display cable. MacBook Pro 13" Retina Display Early 2015 Display Assembly Replacement Next reset the NVRAM To reset your NVRAM, you use exactly the same procedure you once used to reset PRAM. Shut down your Mac.Press the power button, and as soon as you power up the laptop, hold down Command-Option-P-R.Keep holding down those keys for about 20 seconds.

Next run your finger along the bottom of the screen and see if you get any reaction.If all the above fail, sit down in a chair that you can’t fall out of, knock back a shot of whiskey and go here:MacBook Pro 13" Retina (Early 2015) Display Assembly