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

Switch coverDescriptionSpare part numberSwitch cover● For with 33.8-cm (13.3-in) displays 599567-001● For with 33.8-cm (13.3-in) displays, red 607652-001● For with 35.6-cm (14.0-in) displays 599568-001● For with 35.6-cm (14.0-in) displays, red 607653-001Before removing the switch cover, 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).Remove the switch cover:1. Position the computer upside down with the rear toward you.2. Remove the four PM2.5×3.0 screws in the battery bay.3. Open the computer as far as possible.Component replacement procedures 53