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ResetFirmwarePassword Level 1 (0 points)



I forgot the Firmware Password, and want to reset it.


How can I do it?



No DVD included when I bought it.

All the startup keys, like C, N, T, D, CMD+s, CMD+Option+p+r, CMD +v, Option, and Shift, does NOT work.

To add or remove DIMMs does NOT work.


Please, give me some helpful answer.

iMac, Mac OS X (10.7.3)
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