how to turn on macbook air without power button

That’s because the hall sensor on your MacBook detects when the lid is closed and just puts it to sleep regardless of everything else. But you can’t just use a simple Caffeine-type app to solve this problem. We need to prevent that sleep from happening. Now that we know that the issue is that the MacBook goes to sleep on closing the lid even if we have an external display connected to it, the solution is simple. Save Mac Battery by Using It in Clamshell Mode without Power Adapter There are a bunch of terminal commands you can use to disable sleep, and we will discuss those in a later section, but chances are you don’t want to mess with terminal commands and a simple one-click solution is really all you’re looking for. But, our overlord Apple knows what we want better than we do, and doesn’t allow this particular set up to work. That obviously means I want to use it as a primary screen. Now a user normally expects the laptop to be intelligent enough to know that an external display is connected to it. That means it stops giving power to external displays, drives, even the ethernet port (if it has one). I’ll give you the long and the short of it.īasically, when you close the lid of your MacBook, it sleeps. You know, unless you do what I did and lose yourself in forum discussions talking about the ‘hibernatemode’ command and the various power states of a MacBook. MacBooks handle power in ways that are not very obvious. Now I’m stuck using my laptop as a glorified desktop, and with an impossibly throttled CPU to boot.įortunately for you, this made me look for ways to use a MacBook in clamshell mode without keeping the charger always connected to it, and I found the solution. It did just that, and my battery doesn’t charge anymore. Now when I was getting started with this whole set up, I took Apple’s word for it and kept using my MacBook with the charger connected to it at all times, knowing full well that it will destroy my battery’s health. Take a look at the company’s official help document about this.

Why do we need an entire article on how to do this? Well, turns out, Apple will not let you do that unless you have a power adapter connected to your MacBook.

How to turn on macbook air without power button