声誉积分: 13
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1
Hay
I have a MacBook (13-inch, aluminum, late 2008).
If i turn it on, i hear the start sound but the screen stays black.
An external monitor also does not work.
I tried to reset the NVRAM/PRAM and its still not working
Any Ideas?
声誉积分: 481千
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Do you see a slight glow of the display in a darkened room? If you do your logic board needs repairs or replacement.
这个答案有帮助吗？
I will check this
The display stays black, there is no slight glow.
Time to visit an independent mac repair shop!
声誉积分: 55
4
I had this problem a while ago with a clients computer. After trying the usual troubleshooting by resetting PRAM etc. I took off the back to discover that there was massive corrosion on the powerboard and that the moisture indicator had turned red. After cleaning the electronics with Isopropanol, which will dry out moisture and also remove most corrosion, and removing the battery the computer started but ran very slowly. After also replacing the battery with a new one the system returned to normal
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