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...

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...

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...

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...

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....

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...

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...