HP 620 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 28

Multimedia components - restore

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Component (3) Vents (3) (4) Memory module compartment WLAN module compartment Hard drive bay Description Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cook internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Contains the memory module slot. Contains the wireless LAN module slot. CAUTION: To prevent an unresponsive system and the display of a warning message, replace the WLAN module with only a module authorized for use in the computer by the governmental agency that regulates wireless devices in your country. If you replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support. Holds the hard drive. Multimedia components Component (1) Webcam light (select models only) 20 Chapter 2 External component identification Description On: The webcam is in use.

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Component
Description
(3)
Vents (3)
Enable airflow to cool internal components.
NOTE:
The computer fan starts up automatically to cook internal
components and prevent overheating. It is normal for the internal
fan to cycle on and off during routine operation.
(4)
Memory module compartment
Contains the memory module slot.
WLAN module compartment
Contains the wireless LAN module slot.
CAUTION:
To prevent an unresponsive system and the display
of a warning message, replace the WLAN module with only a
module authorized for use in the computer by the governmental
agency that regulates wireless devices in your country. If you
replace the module and then receive a warning message, remove
the module to restore computer functionality, and then contact
technical support.
Hard drive bay
Holds the hard drive.
Multimedia components
Component
Description
(1)
Webcam light (select models only)
On: The webcam is in use.
20
Chapter 2
External component identification