Model A1181 / 1.83, 2, 2.1, 2.13, 2.16, 2.2, or 2.4 GHz Core 2 Duo processor

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Strange backlight problem on MacBook white.

MacBook 2.1 white , after replacing LCD , brightness keys do not work whit Tiger installed on the machine , and the control of brightness on system preferenze is disappeared .

Boot whit Snow Leopard on external HD it's all ok !

The original screen was a LG and the new an AUO .

It isn't a big problem ( i will install Snow Leopard ) but it's strange .

Answered! View the answer I have this problem too

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Chosen Solution

Seems to be a software issue. Try to repair the permissions via Disk Utility from your installation disk.

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Just reinstall your system.

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Installed Leopard , now it's ok .

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It's just a System problem try to reinstall the System if u dont want to try to update the system you have

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lorfuma will be eternally grateful.
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