HP Pavilion Dv7 4000 Entertainment Notebook Pc Series Manual

Maintenance and Service Guide2–1
2
External component identification
Top  com po n e n ts
Display components
Item Component Description 
1Internal microphones (2) Record sound.
2Webcam light  On: The webcam is in use.
3Webcam  Records audio and video and captures still photographs.  

2–2Maintenance and Service Guide
External component identification
Touc hPad
Item Component Function 
1TouchPad light■White: TouchPad is enabled.
■Amber: TouchPad is disabled.
2TouchPad* Moves the pointer and selects or activates items on the screen. 
3Left TouchPad button* Functions like the left button on an external mouse. 
4TouchPad on/off button Enables/disables the TouchPad.
5TouchPad scroll zone  Scrolls up or down. 
6Right TouchPad button* Functions like the right button on an external mouse....

External component identification
Maintenance and Service Guide2–3
Buttons, speakers, and fingerprint reader 
.
Item Component Description 
1Speakers (2)  Produce sound
2Power button*■When the computer is off, press the button to turn on the computer. 
■When the computer is on, press the button briefly to initiate Sleep. 
■When the computer is in the Sleep state, press the button briefly to exit 
Sleep.
■When the computer is in Hibernation, press the button briefly to exit 
Hibernation.
If the computer...

2–4Maintenance and Service Guide
External component identification
Keys
Item Component  Function 
1 esc key  Displays system information when pressed in combination with the fn key. 
2 fn key  Executes frequently used system functions when pressed in combination with 
a function key or the esc key. 
3 Windows logo key  Displays the Windows Start menu. 
4 Windows applications key  Displays a shortcut menu for items beneath the pointer. 
5 Integrated numeric keypad keys  Can be used like the keys on an...

External component identification
Maintenance and Service Guide2–5
Lights
Item Component Description
1Power lights (2)* ■On: The computer is on. 
■Blinking: The computer is in the Sleep state. 
■Off: The computer is off or in Hibernation. 
2Battery light (beside power connector)■On: A battery is charging.
■Blinking: A battery that is the only available power source has 
reached a low battery level. When the battery reaches a critical 
battery level, the battery light begins blinking rapidly.
■Off: If the...

2–6Maintenance and Service Guide
External component identification
Front components
9Wireless■Blue: An integrated wireless device, such as a wireless local 
area network (WLAN) device and/or a Bluetooth® device, is 
on. 
■Amber: All wireless devices are off.
-Num Lock The integrated numeric keypad is enabled, or num lock is enabled
on a connected optional numeric keypad.
*The 2 power lights display the same information. The light on the power button is visible only when the computer is open. The
power...

External component identification
Maintenance and Service Guide2–7
Left-side components
Item Component  Function 
1External monitor port  Connects an external VGA monitor or projector. 
2Expansion port 3 Connects the computer to an optional docking device or an optional
expansion product.
✎The computer has only one expansion port. The term expansion port 3 
describes the type of expansion port.
3 RJ-45 (network) jack  Connects a network cable. 
4HDMI port (select models only) Connects an optional video...

2–8Maintenance and Service Guide
External component identification
Right-side components
Item Component  Function 
1Optical drive  Reads optical discs and, on select models, also writes to optical discs.
2Optical drive light Blinking: The optical drive is being accessed.
3USB ports (2)  Connect optional USB devices. 
4TV antenna/cable jack (select models 
only)Connects a TV antenna, a digital cable device, or a satellite device that 
receives standard or high-definition TV broadcasts.
5 RJ-11 (modem)...

External component identification
Maintenance and Service Guide2–9
Bottom components
Item Component  Function 
1Hard drive bay  Holds the hard drive.
2Vents (7) Enable airflow to cool internal components. 
✎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. 
3Battery bay  Holds the battery. 
4Memory module compartment Contains the memory module.
Also holds the WLAN module, TV tuner...

Maintenance and Service Guide3–1
3
Illustrated parts catalog
Service tag 
When ordering parts or requesting information, provide the computer serial number and model number located on 
the service tag.
Component Description
1 Product name This is the product name affixed to the front of the computer.
2 Serial number (s/n) This is an alphanumeric identifier that is unique to each product.
3 Part number/ product number (p/n) This number provides specific information about the product’s hardware...