Press the power button to turn on the computer.Release all the keys and the power button at the same time.On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.Plug in the MagSafe or USB-C power adapter to a power source and to your computer. The Apple MacBook Pro 13-inch, Retina Display will continue to serve the Apple fans out there who need a bit more power and a higher-resolution screen than on the MacBook Air line.
Mac notebook computers that have a battery you should not remove include: MacBook Pro (Early 2009) and later, all models of MacBook Air, MacBook (Late 2009), and MacBook (Retina, 12-inch, Early 2015). Condition: Used (Grade-B, minor scratches, scuffs, chips or dents). Apple Service Part: 661-02360, LCD Display Assembly Replacement, MacBook Pro 13inch Retina Early 2015. On Mac notebooks with non-removable battery MacBook Pro 13-inch Early 2015, LCD Display Assembly Replacement, Apple 661-02360. Hold these keys until the computer restarts and you hear the startup sound for a second time.Īfter resetting NVRAM, you may need to reconfigure settings for speaker volume, screen resolution, startup disk selection, and time zone information.Press and hold the Command-Option-P-R keys immediately after you hear the startup sound.Locate the following keys on the keyboard: Command (⌘), Option, P, and R.If the issue persists after that, then you will need to look into getting your Mac serviced. First, I suggest resetting the SMC and NVRAM. I can see from your photo and video that there is something going on with the backlight on your screen. Thanks for using Apple Support Communities.