Bottom - HP ProBook 4540s Maintenance And Service Manual

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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, 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 technical support through
Help and Support. On Windows 7 models, contact
technical support through Help and Support. On Windows
8 models, from the Start screen, type help, and then
select Help and Support.
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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