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. 
*This table describes factory settings. To view or change device preferences, select Start > Devices and Printers. Then, 
right-click the device representing your computer, and select Mouse settings.  
						

							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 has stopped responding and Windows® shutdown 
procedures are ineffective, press and hold the power button for at least 5 
seconds to turn off the computer.
To learn more about power settings, Select Start > Control Panel > System 
and Security > Power Options.
3 Volume mute button Mutes and restores speaker sound. 
4 Volume scroll zone Adjusts speaker volume. Slide your finger to the left to decrease volume and 
to the right to increase volume. You can also tap the minus (-) sign on the 
scroll zone to decrease volume, or tap the plus (+) sign on the scroll zone to 
increase volume.
5 Wireless button  Turns the wireless feature on or off, but does not establish a wireless 
connection. 
✎You must set up or access a wireless network to establish a wireless 
connection.
6Fingerprint reader (select models 
only)Allows a fingerprint logon to Windows, instead of a password
logon.
✎This table describes factory settings. For information about changing factory settings, refer to the user guides located in 
Help and Support. 
						

							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 numeric keypad. 
6 Function keys  Execute frequently used system functions when pressed in combination with 
the fn key.  
						

							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 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 into an external power 
source, the light stays off until the battery reaches a low battery 
level.
3Drive light■Blinking: The hard drive or optical drive is being accessed.
■Amber: HP ProtectSmart Hard Drive Protection has 
temporarily parked the hard drive.
4 Caps lock light On: Caps lock is on. 
5 Volume mute light■White: Computer sound is on.
■Amber: Computer sound is off.
6Volume down light  On: The volume scroll zone is being used to decrease speaker 
volume.
7Volume scroll zone On: The volume scroll zone is being used to increase speaker 
volume.
8Volume up light  On: The volume scroll zone is being used to increase speaker 
volume. 
						

							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 light on the front of the computer is visible whether the computer is open or closed. Item Component Description
Item 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. When the battery reaches a critical battery level, the 
battery light begins blinking rapidly.
■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 into an external power source, the light stays off 
until the battery reaches a low battery level.
3 Drive light ■Blinking: The hard drive or optical drive is being accessed.
■Amber: HP ProtectSmart Hard Drive Protection has temporarily parked the 
hard drive.
4Consumer infrared lens Receives a signal from the remote control.
5Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array 
microphone, or monaural microphone. 
6Audio-out (headphone) jacks (2) Produce sound when connected to optional powered stereo speakers, 
headphones, ear buds, a headset, or television audio. 
✎This table describes factory settings. For information about changing factory settings, refer to the user guides located in 
Help and Support. 
						

							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 or audio device, such as a high-definition 
television or any compatible digital or audio component. 
5eSATA/USB port (select models only) Connects an optional high-performance eSATA component, such as an 
eSATA external hard drive, or connects an optional USB device.
✎Depending on your computer model, the computer may include a USB 
port only.
6 USB port Connects an optional USB device. 
71394 port (select models only) Connects an optional IEEE 1394 or 1394a device, such as a camcorder.
8Digital Media Slot activity light On: A digital card is being accessed.
9Digital Media Slot Supports the following optional digital card formats: 
■Memory Stick (MS)
■Memory Stick Pro (MSP)
■MultiMedia Card (MMC)
■Secure Digital (SD) Memory Card
■xD-Picture Card (XD)
-ExpressCard slot Supports optional ExpressCard/54 cards.  
						

							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) jack (select models 
only) Connects a modem cable.
6Security cable slot  Attaches an optional security cable to the computer. 
✎The security cable is designed to act as a deterrent, but it may not 
prevent the computer from being mishandled or stolen. 
7 AC adapter light■On: The computer is connected to external power.
■Off: The computer is not connected to external power.
8Power connector  Connects an AC adapter.  
						

							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 card (select models only), and the 
Intel Turbo Memory card (select models only).
ÄTo 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 replave the module and then receive a warning message, 
remove the module to restore computer functionality, and then contact 
technical support through Hep and Support.
5Battery release latch  Releases the battery from the battery bay.  
						

							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 
components. The part number helps a service technician to determine what 
components and parts are needed.
4 Model description This is the alphanumeric identifier used to locate documents, drivers, and support 
for the computer.
5 Warranty period This number describes the duration of the warranty period for the computer.