iMac Intel 20" EMC 2105 and 2118 Logic Board Replacement

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iMac Intel 20" EMC 2105 and 2118 Logic Board Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

Remove the following seven screws securing the logic board to the rear case:
Three coarse-thread T10 Torx.
Three fine-thread T10 Torx.
One long coarse-thread T10 Torx.

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