If you have the needed tools lets take the battery out. Follow this guide [guide|4384]. Once out Press and hold the power button for a good minute to discharge the logic. Now plug in your MagSafe charger the system should spontaneously start up. Does the system run longer this way? If it does lets install this app [https://www.coconut-flavour.com/coconutbattery/|CoconutBattery].
+
If you have the needed tools lets take the battery out. Follow this guide [guide|4384]. Once out, press and hold the power button for a good minute to discharge the logic. Now plug in your MagSafe charger the system should spontaneously start up. Does the system run longer this way? If it does lets install this app [https://www.coconut-flavour.com/coconutbattery/|CoconutBattery].
Inspect your battery is the top and bottom surfaces flat or do you see a bulge in the middle?
Now with the app installed shutdown the system and re-install your battery. With the MagSafe re-connected lets try starting the system again and quickly run the CoconutBattery App with your phone snap a pic or if you can snap a screen capture of the screen and post it here for us to see [guide|21499]
If you have the needed tools lets take the battery out. Follow this guide [guide|4384]. Once out Press and hold the power button for a good minute to discharge the logic. Now plug in your MagSafe charger the system should spontaneously start up. Does the system run longer this way? If it does lets install this app [https://www.coconut-flavour.com/coconutbattery/|CoconutBattery].
Inspect your battery is the top and bottom surfaces flat or do you see a bulge in the middle?
Now with the app installed shutdown the system and re-install your battery. With the MagSafe re-connected lets try starting the system again and quickly run the CoconutBattery App with your phone snap a pic or if you can snap a screen capture of the screen and post it here for us to see [guide|21499]