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La familia MacBook fue introducida en Mayo del 2006 y reemplazó a el iBook como la laptop para consumidores de Apple.

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Black screen. Tried changing inverter

So about sixth months ago, I started getting that black screen, where you can sort of see stuff is still there, and taking the brightness all the way down and back up can nudge it into working sometimes. After replacing the inverter and the inverter cable which didn't help, I replaced the whole screen, which did the trick.

Until two days ago. When it started happening again. I played with various combinations of the three inverters and two inverter cables I now have but the screen won't stay on for more than five minutes tops, usually less.

Is there any chance something else could be causing this? Like my old, pathetic fan?

I can't try it on an external monitor this week, as I'm away from my PC, but I could try that on the weekend, just to see what's going on. But any other tips anyone might have/other things I can try, would be appreciated.

I've spent so much money replacing/upgrading different parts it seems a waste to part the MacBook now, but this might be the last straw.

Thanks for your time

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Download this app to monitor your systems sensors: Temperature Gauge Pro. Post a screen shot of what it shows you when the display just goes out.

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So is it possible that my very old, second hand battery could be doing it? I took the battery out and have been running it just off the mains, and it seems to be much better.

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OK, then lets look at power Vs temp. Download this sweet little app: coconutBattery take a snapshot of it and post it here for us to see with the battery installed and when not.

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Hmm, not sure how to post a screenshot in this comment box. Also, I've been experimenting. So, when it was working fine (for hours) when I said the battery wasn't in, it was also true that I had taken off the display bevel, and the plastic bracket and the keyboard to fiddle around. I then plugged in the keyboard and used the mains power to fiddle with wires to see if anything changed. It didn't really, but then by magic it was just working.

So I put it all back together. And it's not working anymore. Neither on mains or with battery attached. It seems worse than before. Maybe I'm squashing a wire somewhere? But I was and am always super careful with my reassembly. Rather annoying now.

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Can't in a comment field. You'll need to go into edit of your question or post an answer.

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Well, it looks like the battery is on its last legs. But its still charging and holding a charge for now.

I think you'll need to replace your inverter and the inverter cable given what we see here. It's possible the cable got damaged at the hinge. As a matter of course I would replace both with new units Vs used.

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Hi,

So I've tried changing the inverter and the inverter cable, with new ones, and there's no difference. I think the problem may lie with something in the screen part of the machine. I took it apart and made sure there weren't any loose cables, and it all seems fine.

When the backlight is struggling, theres a noise too.

I think I'll have to replace the whole screen unit. Or just get a new computer.

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The noise is likely coming from the inverter. Are you sure you got a good part? I've seen defective parts being sold as good. I would try a second inverter.

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