Lenovo 3000 C300/C305 Hardware Maintenance Manual

Chapter 7. Replacing hardware
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5. Remove the power board.
6. Align the screw holes on the power board to the mounting holes on
the computer cover.
7. Screw back the two
screws on the new power board.
8. Connect the power board cable to the power board.
9. Install the computer cover. Refer to “Completing the installation” .