HP Pavilion Dv4 1200 Entertainment Notebook Pc Series Manual

Keys
NOTE:Your computer may look slightly different from the illustration in this section.
Component Description
(1)esc keyDisplays system information when pressed in combination with
the fn key.
(2)fn keyExecutes frequently used system functions when pressed in
combination with a function key or the esc key.
(3)Windows logo keyDisplays the Windows Start menu.
(4)Windows applications keyDisplays a shortcut menu for items beneath the pointer.
(5)Embedded numeric keypad keysCan be used like the keys on an...

Display
NOTE:Your computer may look slightly different from the illustration in this section.
Component Description
(1)Internal display switchTurns off the display if the display is closed while the computer is
turned on.
(2)Internal digital dual array microphones (2)Record sound.
(3)Integrated webcam light (select models only)On: The integrated webcam is in use.
(4)Integrated webcam (select models only) Records video and captures still photographs.
14 Chapter 2   External component identification 

Front components
Component Description
(1)Power light●On: The computer is on.
●Blinking: The computer is in the Sleep state.
●Off: The computer is off or in Hibernation.
(2)Battery light●On: A battery is charging.
●Blinking: A battery that is the only available power source has
reached a low battery level or a critical battery level.
●Off: If the computer is plugged into an external power source,
the light is turned off when all batteries in the computer are
fully charged. If the computer is not plugged...

Rear component
ComponentDescription
Vent Enables 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.
Right-side components
NOTE:Your computer may look slightly different from the illustration in this section.
Component Description
(1)SmartBaySupports an optical drive or hard drive.
(2)USB ports (2)Connect optional USB devices.
(3)TV...

Left-side components
Component Description
(1)Security cable slotAttaches an optional security cable to the computer.
NOTE:The security cable is designed to act as a deterrent, but
it may not prevent the computer from being mishandled or stolen.
(2)External monitor portConnects an external VGA monitor or projector.
(3)Expansion port 3Connects the computer to an optional docking device or optional
expansion product.
NOTE:The computer has only one expansion port. The term
expansion port 3 describes the...

Bottom components
Component Description
(1)Hard drive and WLAN module compartmentHolds the hard drive and the wireless LAN (WLAN) module.
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...

Wireless antennae
Component Description
(1)WWAN antennae (2)*Send and receive wireless signals to communicate with wireless
wide-area networks (WWAN).
(2)WLAN antennae (2)*Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
*The antennae are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around
the antennae free from obstructions.
To see wireless regulatory notices, refer to the section of the Regulatory, Safety...

3 Illustrated parts catalog
Serial number location
When ordering parts or requesting information, provide the computer serial number and model number
located on the bottom of the computer.
20 Chapter 3   Illustrated parts catalog 

Computer major components
ItemDescriptionSpare part number
(1) Display assemblies (see Display assembly components on page 25 for display assembly spare part component
information)
Computer major components 21 

ItemDescriptionSpare part number
(2)Keyboards
NOTE:For a comprehensive list of keyboard spare part numbers, see the 
Sequential part number listing
on page 36.
 
For use with standard computer models486901-xxx
 For use only with bronze-colored computer models508119-xx1
 For use in blue-colored computer models508120-xx1
 For use in blue-colored computer models only in the United States507319-001
(3)Keyboard covers 
 ●For use with standard computer models486852-001
 ●For use with bronze-colored computer...