Dell 6400 Owner's Manual

Also see for 6400 - Inspiron Laptop: Service manual

Contents

Dell 6400 Owner's Manual Manual pdf 94 page image

94 Solving ProblemsNOTE: The icon will appear in the notification area if the computer has a Dell WWAN device installed.Double-click the icon to launch the utility.AC T I V A T E T H E MO B I L E BR O A D B A N D EX P R E S S CA R D — You must activate the Mobile BroadbandExpressCard before you can connect to the network. Position the mouse over the icon in thenotification area to verify the status of the connection. If the card is not activated, follow the cardactivation instructions located within the Dell Mobile Broadband Card Utility. To access the utility,double-click the icon located in the taskbar, at the lower-right corner of your screen. If yourExpressCard is not a Dell-branded card, see the manufacturer’s instructions for your card.CH E C K N E T W O R K C O N N E C T I O N S T A T U S I N DE L L MO B I L E BR O A D B A N D C A R D UT I L I T Y — Double-click theicon to launch the Dell Mobile Broadband Card Utility. Check the status in the main window:• No card detected — Restart the computer, and launch the Dell Mobile Broadband Card Utility again.• Check your WWAN service — Contact your cellular service provider to verify your plan coverage andsupported services.Power ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the ProductInformation Guide.CH E C K T H E P O W E R L I G H T — When the power light is lit or blinking, the computer has power. If the powerlight is blinking, the computer is in standby mode—press the power button to exit standby mode. If thelight is off, press the power button to turn on the computer.NOTE: For information on standby mode, see "Power Management Modes" on page 41.CH A R G E T H E B A T T E R Y — The battery charge may be depleted.1 Reinstall the battery.2 Use the AC adapter to connect the computer to an electrical outlet.3 Turn on the computer.NOTE: Battery operating time (the time the battery can hold a charge) decreases over time. Depending on howoften the battery is used and the conditions under which it is used, you may need to purchase a new battery duringthe life of your computer.CH E C K T H E B A T T E R Y S T A T U S L I G H T — If the battery status light flashes orange or is a steady orange thebattery charge is low or depleted. Connect the computer to an electrical outlet.If the battery status light flashes green and orange, the battery is too hot to charge. Shut down thecomputer, disconnect the computer from the electrical outlet, and then let the battery and computercool to room temperature.If the battery status light rapidly flashes orange, the battery may be defective. Contact Dell. See"Contacting Dell" on page 133.CH E C K T H E B A T T E R Y T E M P E R A T U R E — If the battery temperature is below 0°C (32°F), the computer willnot start up.