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

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NOTE:
Your computer may look slightly different from the illustration in this section.
Component
Description
(1)
Battery and service door release
latches
●
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.
(2)
Battery bay
Holds the battery.
(3)
Service door
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.
(4)
Vents (2)
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.
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