Dell LATITUDE E6400 XFR Service Manual page 60

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Dell Latitude™ E6420 XFR Service Manual
18. Lift the back-left corner of the system board to release the I/O board connector. Gently lift the system board
up from the left rear and slide it slightly to the left to release the port connections on the right rear corner.
19. Raise rear of system board and disconnect speaker cable from bottom side, front edge of system board.
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