HP ProBook 4545s HP ProBook 4545s Notebook PC - Maintenance and Service Guide - Page 23
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Bottom NOTE: Your computer may look slightly different from the illustration in this section. Component (1) (2) (3) (4) Battery and service door release latches Battery bay Service door Vents (2) Description ● Releases the battery from the battery bay by sliding the release latches one time. ● When the battery has been removed from the battery bay, releases the service door from the computer by sliding the release latches a second time. Holds the battery. Protects the hard drive bay, the wireless LAN (WLAN) 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 technical support through Linux Help. 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. Bottom 15