HP Pavilion Dv7 3100 Entertainment Notebook Pc Series Manual

2–2Maintenance and Service Guide
External component identification
Lights
Item Component Description
1Caps lock light On: Caps lock is on. 
2Power lights (2)* ■On: The computer is on. 
■Blinking: The computer is in the Sleep state. 
■Off: The computer is off or in Hibernation. 
3Volume mute light■White: Computer sound is on.
■Amber: Computer sound is off.
4 Volume down light  On: The volume scroll zone is being used to decrease speaker 
volume.
5 Volume up light  On: The volume scroll zone is being used...

External component identification
Maintenance and Service Guide2–3
Buttons and fingerprint reader (select models only)
8Battery 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...

2–4Maintenance and Service Guide
External component identification
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 Previous/rewind button■Plays the previous track or chapter when the button is pressed once.
■Rewinds media when...

External component identification
Maintenance and Service Guide2–5
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...

2–6Maintenance and Service Guide
External component identification
Front components
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...

External component identification
Maintenance and Service Guide2–7
Rear component
Right-side components
 Component  Function 
Vent Enables 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.
Item Component  Function 
1Optical drive  Reads optical discs and, on select models, also writes to optical discs.
2Optical drive light Blinking: The...

2–8Maintenance and Service Guide
External component identification
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 Connects an optional video or audio device, such...

External component identification
Maintenance and Service Guide2–9
Bottom components
Item Component  Function 
1Battery bay  Holds the battery. 
2Battery release latch  Releases the battery from the battery bay. 
3Vents (9) Enables 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. 
4Secondary hard drive bay Holds an optional secondary hard...

2–10Maintenance and Service Guide
External component identification
Display components
Item Component Description 
1Internal display switch Turns off the display and initiates Sleep if the display is closed while the power 
is on.
2Internal microphones (2) Record sound.
3Webcam light  On: The webcam is in use.
4Webcam  Records audio and video and captures still photographs.  

External component identification
Maintenance and Service Guide2–11
Wireless antennas (select models only)
On select computer models, at least 2 antennas send and receive signals from one or more wireless devices. These 
antennas are not visible from the outside of the computer.
✎For optimal transmission, keep the areas immediately around the antennas free from obstructions.
To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental Notices that 
applies to your...