Acer Aspire X3990 Service Manual page 55

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Remove the front I/O&USB board.
4.
Remove the two screws that secure the I/O&USB board to the bracket.
a.
Pull the I/O&USB board out of the bracket.
b.
Note:
Circuit boards >10 cm² has been highlighted with the yellow rectangle as above image shows. Please
detach the Circuit boards and follow local regulations for disposal.
47
Chapter 3

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