HP zx5000 - Manual (Page 185)

5–78 Maintenance and Service Guide
Removal and Replacement Procedures
5. Turn the system board upside down with the rear panel
toward you.
6. While holding the fan assembly with one hand, disconnect
the fan cables 1 from the system board.
✎
Steps 7 and 8 apply only to Pavilion notebook models.
7. Use a 5.0-mm socket to remove the four 9.0-mm standoffs 2
on each side of the parallel and S-Video connectors.
8. Remove the I/O bracket 3.
9. Remove the fan assembly 4.
Removing the Fan Assembly
Reverse the above procedure to install the fan assembly.