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Step 16 — PMU
Turn the G4 over.
Peel the orange tape away from the three connectors on the PMU board. Leave this tape in place so you can reuse it when reassembling the G4.
Disconnect the two orange cables and one multicolored cable from the PMU.
Step 17
Lift up on the silver metal clip to free the PMU from the casing.
Remove the PMU rotating it clockwise and pulling up.
Step 18
Your laptop should look approximately like this.
Congratulations! You have now removed your item. To reassemble simply follow the directions in reverse order.