![]() You need to tap the brightness (sunlight) icon if you have a MacBook with a Touch Bar. On the other hand, if you're sure it is charged, the keyboard lights are on, and there are no images on the screen, then you should try pressing the brightness buttons on the keyboard: F1 and F2. If your Surface still didnt turn on after charging it and trying the keyboard and tablet. ![]() The inverter board converts the low voltage your laptops innards. Press the Windows logo key + Ctrl + Shift + B. This could be caused by poor currents or using third-party MacBook chargers. Behind that liquid crystal display, an inverter board and backlight bulb control the picture. From your description I would assume that you. You must also ensure the MacBook is charging correctly, as the wrong voltage can cause misbehavior or damage. When you have a dead inverter or backlight lamp, the whole LCD screen will be dark, not just some vertical lines. Trying to turn on a MacBook you don't know is dead might result in odd behavior, like flickering keyboard lights and sounds but no image on the screen. Try connecting an external monitor to the laptop.1. 3 Kudos c.chooper 3 Argentum 122594 04-26-2017 05:42 PM Delete graphics drivers in safe mode, or use the DDU app. Try powering up again - if you cant get an image on the screen after that, contact Dell to have the mainboard replaced. If the MacBook comes on (makes the startup sound and the keyboard lights begin to glow) but you still don't see the Apple logo, plug it in and leave it to charge a bit. If the laptop still wont turn on, it may be a hardware issue. Unplug the system, remove disconnect the battery and hold the power button for 30 sec. When you calm down, you may discover it was a simple problem all along, like a dead battery or low brightness. This is especially true if you may be in a hurry on in a desperate situation. ![]() Sometimes, when problems like this happen, we tend to overreact and think the worse.
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