HP Compaq Presario,Presario C300 Maintenance And Service Manual page 145

14. Position the system board with the battery connector
toward you.
15. Disconnect the following cables from the system board:
1 USB/audio board cable
2 Modem cable
3 Speaker cable
✎
The USB/audio board cable is included with the USB/audio
board and is also available in the Cable Kit, spare part number
407774-001.
The modem connector cable is available in the Cable Kits, spare
part numbers 435781-001 (for use with HP G3000 computer
models) and 436186-001 (for use with Compaq Presario C300
computer models).
Disconnecting the USB/Audio Board, Speaker, and
Modem Cables
Maintenance and Service Guide
Removal and Replacement Procedures
5–51