Question about Apple MacBook Pro Notebook
I was youtubing and all of the sudden half of the screen went black.. I powered down and waited a few seconds and turned back on and I get the grey apple and the loading indicator but immediately following that, it goes black again.. Its on and I can hear the drive but nothings on the screen.. What do I do? My mac care is up so they wont help me :-(
Reset the PRAM and NVRAM
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Posted on Dec 25, 2008
Sounds like your backlight is defective. When the bulbs go out, they will only run for a few seconds and then overload the inverter, causing it to turn off. If you're out of warranty, somebody has to open the Macbook screen and replace the backlight. The part is available on ebay. Here's aguide on how to disassemble a Macbook. Maybe a tech savy friend can do it for you. If you want to pay to have somebody do it for you there are third party Macbook Repair Services.
Posted on Jul 26, 2010
There is also a possibility that the discrete graphic card is faulty.
This happened to my MacBookPro Retina 15".
Upon a restart or power up, the screen goes black. The keyboard backlit and rest appears to be responsive still.
If I press the power button again and put the unit to sleep, wait approx 1 minute, then press the power button again, the screen comes back on. This time, the integrated graphics card is utilized.
If you do not wait long enough after putting the unit into sleep mode and wake it up, the screen shall remain black.
Once the screen is functioning, you can continue to use your laptop as long as you put it into sleep when not in use. If the laptop restarts or powers down, you will get a black screen.
To verify if your laptop is experiencing a similar issue, upon login, If you check 'About This Mac' under the Apple logo menu, you would notice that the Graphics is utilising the built-in Integrated Intel Graphics board and not the discrete GPU. The discrete graphics card is no where to be found under the 'System Report' -> 'Graphics/Displays' section.
To address the issue thoroughly, most likely the logic board will need to be replaced (as advised by Apple Genius) and this can be a very costly exercise. For me, I have no real need for the higher performance discrete GPU, so I am happy with the workaround, until I get my next laptop...hopefully Apple shall release a MacBookAir with Retina screen very soon. :)
Posted on Nov 05, 2014
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