HP PAVILION NX9005 - Manual (Page 43)

2-10 Removal and Replacement Service Manual
4. Remove the four M3.0×4.0mm screws from the hard disk drive and hard disk drive tray, and
then lift the drive out of the tray.
5. Remove the connector bar from the hard disk drive.
NOTE: Connector bar not used on HP Pavilion ze5x00 series
Figure 2-8. Removing the Hard Disk Drive Tray
See note below