HP 200 Series Hardware Support Document page 45

Removal and Replacement
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5. Disconnect the two-conductor cable going to the speaker.
6. Using a 5.5mm nutdriver and an extension, remove the two nuts on the 110 connectorboard
heat sink.
Heat Sink Nut Locations
7. Remove the three # 1 Pozidriv screws on the solder side of the connectorboard. They are
accessible from the front. You may need to remove the front panel if you do not have a small
enough screwdriver.
I/O
Connectorboard Screw Locations
8. Lift the connectorboard up and out of the computer.