how to turn on macbook when screen is black

Long press the button for sleep while pressing the home button for like 8 seconds after which you release the button for sleep and not the home button.

Here are some ways that can fix the issue: If your iPhone shows a black screen all of a sudden, you don’t have to replace it immediately. Low battery: If your phone battery is low, the iPhone screen would automatically darken.An issue with an app: if an application is taking too much memory space, incompatible with other apps, or contains malware, it could cause your system performance to slow down and your LCD screen to freeze.Software crash is the most common reason. If you have jailbroken your iPhone before, it's probably malware disturbing your iPhone functionalities. Software issues: maybe there’s been a failed iOS restore, or your newly installed iOS15.4 is not compatible with your iPhone model, etc.Physical breakage is rare but does occur. Sometimes if you use your iPhone too much, the processor could overheat, damaging its connection with the LCD as well. Hardware issues: for example, if you drop your phone, it can damage the internal components or the LCD screen, leading to blackouts.If you are using a refurbished iPhone, this can probably happen too. Maybe it has accidentally entered the DFU mode because you’ve pressed the wrong buttons.

There can be many reasons why your iPhone suddenly blacks out. Picking up your iPhone for something important, only to find its screen has blacked out? It is ringing or vibrating, but somehow it just won’t respond to your button presses and screen swipes? In this article, we will look at why this is happening and how you can fix it.

How to turn on macbook when screen is black