HP ProBook 450 G2 Notebook PC HP ProBook 455 G2 Notebook PC Maintenance and Service Guide
Component Description
Battery lock latch Locks the battery in the battery bay.
(4)   Service door Provides access to the wireless LAN (WLAN) module slot, 
the WWAN module slot, and SIM slot.
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 through HP 
Support Assistant.
To access Help and Support in Windows 7: Select Start > 
Help and Support.
To access HP Support Assistant: in Windows 8.1: From the 
Start screen, select the HP Support Assistant app.
Windows 10:
Type support in the taskbar search box, and then select 
the HP Support Assistant app.
- or -
Click the question mark icon in the taskbar.
(5)   Battery bay Holds the battery.
(6) SIM slot Supports a wireless subscriber identity module (SIM). The 
SIM slot is located under the service door.
Front
Component Description
(1) Hard drive light
●
Blinking white: The hard drive is being accessed.
●
Amber: HP 3D DriveGuard has temporarily parked the 
hard drive.
(2)   Memory card reader Reads optional memory cards that store, manage, share, 
or access information.
Front 15










