Early 2011 model, A1278 / 2.3 GHz i5 or 2.7 GHz i7 processor.

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Getting a blank white screen

After putting my MacBook back together after following the instructions to get to the left speaker, my Mac won't fully turn on. I just get this blank white screen. Help?

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A white screen indicates, to me, a problem with the hard drive and accessing a valid system. Try starting up first in Safe Mode by holding down the Shift key. This failing try starting up holding down the option key and see if the Recovery partition shows up.

As Kyle mentioned, the hard drive cable is a major suspect as they are a known failure issue with this model.

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Neither of those worked.

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Most Helpful Answer

Don't fear, this happens from time to time. You just need to take it apart again!

You probably have a loose cable. Does it make a noise on bootup? If not, then it might be the battery connector.

If it gets part of the way into bootup, it could be the hard drive cable.

But I think the most likely culprit is the display data cable. Try disconnecting and reconnecting it.

You can test the machine without putting all the bottom case screws back in. Just make sure it's off when you're fiddling with the cables.

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I've tried connecting and disconnecting the display drive cable and I'm still getting the plain white screen.

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I think the display data cable might have burnt out. The part that you connect it to has some burnt stuff on it.

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