HP Pavilion Dv4 2100 Entertainment Notebook Pc Series Manual

							1–4Maintenance and Service Guide
Product description
DockingExpansion port 3 supports HP xb Docking Station and HP Notebook QuickDock
Keyboard/pointing 
devices14.1-in keyboard
TouchPad with 2 buttons
Supports 2-way scroll 
Taps enabled as default 
Power requirements65-W and 90-W HP Smart Adapter with localized cable plug support (3-wire plug with ground 
pin, supports 3-pin DC connector)
Smart pin AC Adapter with localized cable plug support
Battery options:
3-cell, 4.40 Ah (47 Wh) Li-ion battery
6-cell, 2.20 Ah (47 Wh) Li-ion battery
6-cell, 2.20 Ah (55 Wh) Li-ion battery
6-cell, 2.55 Ah (55 Wh) Li-ion battery
12-cell, 2.20 Ah (95 Wh) Li-ion battery
SecurityKensington Security Lock
Fingerprint Reader with Digital Persona Software Support (select models only)
Operating systemPreinstalled:
Windows® 7 Professional (32 and 64-bit OS)
Windows 7 Premium (32 and 64-bit OS)
Windows 7 Basic (32-bit OS)
ServiceabilityEnd-user replaceable parts:
AC adapter
Battery (system)
Hard Drive
Memory modules
MiniCard components
RTC battery
Optical drive
Category Description 
						

							Maintenance and Service Guide2–1
2
External component identification
Top  com po n e n ts
Touc hPad
To view or change the pointing device preferences:
1. Select Start > Devices and Printers.
2. Right-click the device representing your computer.
3. Select Mouse settings.
ItemComponentDescription
1TouchPad lightWhite—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 buttonEnables/disables the TouchPad.
5TouchPad vertical scroll zoneScrolls up or down.
6Right TouchPad button*Functions like the right button on an external mouse.
*This table describes factory settings. 
						

							2–2Maintenance and Service Guide
External component identification
Lights
ItemComponentDescription
1Power lights (2)*On—The computer is on.
Flashing—The computer is in Sleep.
Off—The computer is off or in Hibernation.
2Battery lightOn—The battery is charging.
Flashing—The battery reaches a low battery level or a critical battery level.
Off—If the computer is connected to an external power source, the light is off 
when all batteries in the computer are fully charged. If the computer is not 
connected to an external power source, the light is off until the battery 
reaches a low battery level.
3Drive lightFlashing—The hard drive or the optical drive is being accessed.
On—HP ProtectSmart Hard Drive Protection has temporarily parked the 
internal hard drive, and if present, the hard drive in the SmartBay.
4Caps lock lightOn—The caps lock is on.
5Volume Mute light White—The computer sound is on.
Amber—The computer sound is off.
6Volume Down lightOn—Decreases speaker volume.
7Volume Up lightOn—Increases speaker volume.
8Num lock lightOn—The num lock is on or the embedded numeric keypad is enabled.
9Wireless lightBlue—An integrated wireless device, such as a wireless local area network 
(WLAN) device and/or a Bluetooth® device, is on.
Amber—No wireless devices are detected.
*The two 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. 
						

							External component identification
Maintenance and Service Guide2–3
Buttons, speakers, and fingerprint reader
ItemComponentDescription
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 to initiate Sleep.
When the computer is in Sleep, press the button to exit Sleep.
When the computer is in Hibernation, press the button to exit Hibernation.
If the computer has stopped responding and Windows shutdown procedures 
are ineffective, press and hold the Power button for at least five seconds to 
shut down the computer.
To learn more about power settings, select Start > Control Panel > System 
and Security > Power Options.
3Volume Mute buttonMutes and restores speaker sound.
4Volume Scroll zoneAdjusts speaker volume. To decrease volume, slide your finger to the left or 
tap the minus sign on the scroll zone. To increase volume, slide your finger to 
the right or tap the plus sign on the scroll zone. 
5Wireless buttonTurns the wireless feature on or off but does not create a wireless
connection.
✎A wireless network must be set up in order 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, see the user guides located in Help and 
Support. 
						

							2–4Maintenance and Service Guide
External component identification
Keys
ItemComponentDescription
1esc keyDisplays system information when pressed at the same time as the fn key.
2fn keyExecutes frequently used system functions when pressed at the same time as 
a function key or the esc key.
3Windows Logo keyDisplays the Windows Start menu.
4Windows Applications keyDisplays a shortcut menu for items beneath the pointer.
5Embedded numeric keypad keysUsed like the keys on an external numeric keypad.
6Function keysExecutes frequently used system functions when pressed at the same time as 
the fn key. 
						

							External component identification
Maintenance and Service Guide2–5
Display 
ItemComponentDescription
1Internal display switchTurns off the display if the display is closed while the computer is on.
2Internal digital dual-array 
microphones
 (2)
Records sound.
3Webcam light On—The webcam is in use.
4WebcamRecords video and captures still photographs. 
						

							2–6Maintenance and Service Guide
External component identification
Front components
ItemComponentDescription
1Power lightOn—The computer is on.
Flashing—The computer is in Sleep.
Off—The computer is off or in Hibernation.
2Battery lightOn—The battery is charging.
Flashing—The battery reaches a low battery level or a critical battery level.
Off—If the computer is connected to an external power source, the light is off 
when all batteries in the computer are fully charged. If the computer is not 
connected to an external power source, the light is off until the battery 
reaches a low battery level.
3Drive light Flashing—The hard drive or the optical drive is being accessed.
On—The HP ProtectSmart Hard Drive Protection has temporarily parked the 
internal hard drive, and if present, the hard drive in the SmartBay.
4Consumer infrared lens Receives a signal from the HP Remote Control.
5Audio-in (microphone) jackConnects an optional computer headset microphone, stereo array 
microphone, or monaural microphone.
6Audio-out (headphone) jacks (2)Produces sound when connected to optional powered stereo speakers, 
headphones, ear buds, headsets, or television audio. 
						

							External component identification
Maintenance and Service Guide2–7
Rear component
ComponentDescription
Ve n tEnables airflow to cool internal components.
✎The computer fan starts automatically to cool internal components and 
prevent overheating. It is normal for the internal fan to cycle on and off 
during routine operation. 
						

							2–8Maintenance and Service Guide
External component identification
Right-side components
ItemComponentDescription
1SmartBaySupports an optical drive or hard drive.
2USB ports (2)Connects optional USB devices.
3RJ-11 (modem) jack 
(select models only)
Connects a modem cable.
4Power connectorConnects an AC adapter. 
						

							External component identification
Maintenance and Service Guide2–9
Left-side components
ItemComponentDescription
1Security Cable slotAttaches an optional security cable to the computer.
✎The security cable is designed to act as a deterrent, but it might not 
prevent the computer from being mishandled or stolen.
2External Monitor portConnects an external VGA monitor or projector.
3Expansion port 3Connects the computer to an optional docking device or optional expansion 
product.
✎The computer has only one expansion port. The term expansion port 3 
describes the type of expansion port.
4RJ-45 (network) jackConnects a network cable.
5HDMI portConnects an optional video or audio device, such as a high-definition 
television, or any compatible digital or audio component.
6eSATA/USB port Connects high-performance eSATA components, such as an eSATA external 
hard drive, or connects an optional USB device.
7Digital Media Slot lightOn—Accessing a digital card.
8Digital Media SlotSupports the following optional digital card formats:
Memory Stick (MS)
Memory Stick Pro (MSP)
MultiMediaCard (MMC)
Secure Digital (SD) Memory Card
xD-Picture Card (XD)
9ExpressCard slotSupports optional ExpressCard/54 cards.