Question about Apple MacBook Mac Notebook
Laptop will not display screen although it is turned on..
I assume you are saying the screen is totally black, not blue. If it is totally black there can be a large number of causes. It is hard to give one simple answer. It could relate to the brighteness of the screen, the display, the logic board, the graphics card or even a problem relating to updating Apple firmware, You could try some simple things first.1) If the lighting on your computer is accidentally turned all the way down, your screen will be black! To turn the brighteness up, push F2 on the top of your keyboard and click until the lighting improves and you see the screen. If your display stays black it could be an indication that you just need a new Display. They do wear out. 2) Another thing to try is to start the computer in Safe mode. http://support.apple.com/kb/HT1564?viewlocale=en_US As you push the power button hold the shift key down. This can sometimes help resolve issues relating to startups. Also, if your screen stops being black it is an indication there is nothing wrong with your display. 3) You could try resetting the PRAM http://support.apple.com/kb/ht1379, This can also help with a startup issue. 4) Some specific models of Macbook Pro computors have issues caused by the NVIDIA graphics card, which Apple knows about and apparently will repair, possibly free of charge. My suggestion if none of this helps is to take it to a Genius bar at an Apple store for them to troubleshoot. That, in itself, costs nothing. Other suggestion search with google for further answers from other Mac owners!
Posted on Jul 19, 2010
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Posted on Jan 02, 2017
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