HP ProBook 4320s Notebook PC HP ProBook 4321s ... - Warranty Life

Palm restDescriptionSpare part numberPalm rest (includes TouchPad)● For use with fingerprint reader and 33.8-cm (13.3-in) displays 599549-001● For use with 33.8-cm (13.3-in) displays 599551-001● For use with fingerprint reader and 33.8-cm (13.3-in) displays, red 607648-001● For use with 33.8-cm (13.3-in) displays, red 607650-001● For use with fingerprint reader and 35.6-cm (14.0-in) displays 599550-001● For use with 35.6-cm (14.0-in) displays 599552-001● For use with fingerprint reader and 35.6-cm (14.0-in) displays, red 607649-001● For use with 35.6-cm (14.0-in) displays, red 607651-001Before removing the palm rest, follow these steps:1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turnthe computer on, and then shut it down through the operating system.2. Disconnect all external devices connected to the computer.3. Disconnect the power from the computer by first unplugging the power cord from the AC outletand then unplugging the AC adapter from the computer.4. Remove the battery (see Battery on page 51).5. Remove the switch cover (see Switch cover on page 53)6. Remove the keyboard (see Keyboard on page 55)Remove the palm rest:1. Position the computer right-side up with the front toward you.2. Remove the three Phillips PM2.5×3.0 broadhead screws (1) that secure the palm rest to thecomputer.66 Chapter 4 Removal and replacement procedures