HP HDX 18 Maintenance And Service Manual page 73

4. Turn the computer right-side up, with the front toward you.
5. Disconnect the following cables from the system board:
1 TouchPad board cable
2 TouchPad on/off button board cable
3 USB board cable
4 Power connector cable
6. Release the power connector cable 1 and USB board cable 2 from the clips and routing channel built into the
top cover.
Removal and replacement procedures 4–40