HP ZBook 17 Maintenance and Service Guide - Page 30

Bottom Bottom - standard models Component (1) Service door (2) Service door release screws (3) Vents (4) Spill drain Description Provides access to the hard drive bay, the WLAN module slot, the WWAN module slot, and the memory module slots. CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact support. Releases the service door. Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Allows spilled liquids, such as sodas or coffee, to drain out of the computer. 16 Chapter 2 External component identification