HP 242 G1 Maintenance And Service Manual page 23

Component
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14 Chapter 2 External component identification
Battery release latch
Hard drive service door
Description
Releases the battery from the battery bay.
Provides access to the hard drive bay and the wireless
LAN (WLAN) module 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:
Windows 8: HP Support Assistant. To access HP
Support Assistant from the Start screen, select the HP
Support Assistant app.
Windows 7: Contact support through Help and
Support.