HP 6720t Mobile manual Lights, Component Description

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Lights

Component		Description

(1)	Power lights* (2)	● On: The computer is on.
		● Blinking: The computer is in Standby.
		● Off: The computer is off.

(2)	Wireless lights† (2)	● Blue: An integrated wireless device, such as a
		wireless local area network (WLAN) device, is on.
		● Off: All wireless devices are off.

(3)	Caps lock light	On: Caps lock is on.

(4)	Num lock light	On: Num lock is on.

(5)	Volume mute light	On: Computer sound is turned off.

(6)	Battery light	● Amber: A battery is charging.
		● Blue: A battery is close to full charge capacity.

● Blinking amber: 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 turns off when all batteries

2 Chapter 1 Notebook tour

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Contents HP Compaq 6720t Mobile Thin Client Page Safety warning notice Iv Safety warning notice Product notice Vi Product notice Table of contents Multimedia Appendix a Routine care Page Identifying the hardware Top componentsPointing devices Lights Component DescriptionButtons and switches Adjust Power PropertiesKeys Fn keyFront components Right-side componentsLeft-side components Rear components Bottom componentsWireless antennae Identifying the labels Using the Enhanced Write Filter Enhanced Write FilterUsing pointing devices Setting pointing device preferencesConnecting an external mouse Pointing devicesUsing the keyboard Using hotkeysDisplaying system information fn+esc Switching the screen image fn+f4 Viewing battery charge information fn+f8Initiating Standby fn+f3 Decreasing screen brightness fn+f9Using the keypads Using the embedded numeric keypadEnabling and disabling the embedded numeric keypad Using an optional external numeric keypad Switching key functions on the embedded numeric keypadPower Power control and light locationsShutting down the computer PropertiesSetting power options Using power-saving statesInitiating and exiting Standby Using battery power Using the battery meterDisplaying the remaining battery charge Inserting or removing the batteryCharging a battery Managing low battery levels Conserving battery powerIdentifying low battery levels Resolving a low battery levelUsing external AC power Storing a batteryDisposing of a used battery Connecting the AC adapter Using multimedia hardware Using the audio featuresMultimedia Using the audio-in microphone jack Using the audio-out headphone jackAdjusting the volume Using multimedia software Using the video featuresOpening preinstalled multimedia software Using the external monitor portUsing multimedia software Preventing playback disruptionsObserving the copyright warning Wireless About integrated wireless devicesUsing wireless controls Using WlanSetting up a Wlan Connecting to a Wlan Using wireless security featuresIdentifying a Wlan device Using a modem Connecting a modem cableModem and LAN Connecting a country-specific modem cable adapter Selecting a location setting Solving travel connection problemsViewing the current location selection Connecting to a local area network Set the modem to ignore dial tonesPage Security Protecting the computerUsing passwords Setting passwords in WindowsUsing a power-on password Managing a power-on password Entering a power-on passwordRequiring a power-on password at restart Installing a security cable Connecting hardware Using a USB deviceConnecting a USB device Using the docking connector Using PC CardsRemoving a USB device Inserting and removing a PC CardPage Page Hardware upgrades Identifying installed drivesHandling drives Using optical drives select models only Inserting an optical disc CD or DVD When the disc tray opens Removing an optical disc CD or DVDWhen the disc tray does not open Cleaning the display Cleaning the keyboardRoutine care Traveling and shippingPage Index USBWlan

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