MacBook Pro (Retina 15-inch, Mid 2014)
https://support.apple.com/mac/repair/service
https://www.ifixit.com/Store/Mac/MacBook-Pro-15-Inch-Retina-Late-2013-Mid-2014-Battery/IF117-046?o=5
These tips show you how to maximize your battery performance. If you can't turn on your Mac or if the screen turns black, follow these steps to resolve the issue.
Before you return your Mac to us, be sure to enable FileVault and back up your data. You may need the backup if your Mac needs to be reformatted during the repair process. Apple isn't responsible for lost data.
Simply Mac: https://store.simplymac.com/pages/corvallis-oregon
(541) 754-0811
Mon-Friday 10-6
Sat: 10:00 am - 4:00 pm
Sun: Closed