Apple IMac - Page 162

Take Apart Processor Shield Frame - 27
1 Remove the one screw
that holds the shield
frame to the logic board.
2 Unhook the tabs that
attach the shield frame
to the logic board. This
may require jiggling the
shield frame back and
forth to unhook the
tabs.
Note: Remove the processor
shield frame, the processor
top shield, the processor
card, the modem, and
modem standoff before
returning the logic board to
Apple.