Does Macbook Battery Drain In Sleep Mode. If you click on the battery icon it will show which apps are using the most power. This may happen when - Some applicationWindows setting may not let your laptop to enter the sleep mode - So make sure your laptop is really entering the sleep mode.
Two days ago all of a sudden MacBook Pro lost all charge in sleep mode over night from about 88-90 to 4-5. The battery will drain even if the laptop is shut down. Once cycled you would likely see an improvement in battery drain overnight in sleep mode.
The problem only started a few months ago.
Something is wrong in BIOS - Enter the. I gave my new MacBook to Macfroum and I received this answer after five days. Have checked that no apps are preventing from sleep bluetooth is off no wake. This should be done once a month or whenever you notice that the battery isnt holding a charge as well as it used to the day or week before.
