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My MacBook Pro won't boot up to the OS. I get the opening chime which then goes to the apple on screen, but then it goes all grey and gives me the message "You need to restart your computer. Hold down the power button until it turns off, then press the Power button again." This is as far as I can go. I have tried booting from a CD to no avail. What can I do?
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to force starting from the optical drive you have to press and hold the c key after the chime
这个答案有帮助吗？
that is is not working, nor is option, nor is option, shift, command, delete.
have cleaned the drive lense. and the disc is good.
sounds like a new optical drive needed?
这个答案有帮助吗？
You need to ask your own question on this one as you seem to have other issues.
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