HP Compaq Presario,Presario C300 Maintenance And Service Manual page 148

Removal and Replacement Procedures
2. Release the ZIF connector 1 on the TouchPad board to which
the TouchPad cable is connected and disconnect the
TouchPad cable 2 from the TouchPad board.
✎
The TouchPad cable is included 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).
3. Remove the TouchPad cable 3.
Removing the TouchPad Cable
5–54 Maintenance and Service Guide