Dell CT975 manual Charging the Battery, Removing the Battery, Low-Battery Warning

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Low-Battery Warning

NOTICE: To avoid losing or corrupting data, save your work immediately after a low-battery warning.

Then connect the computer to an electrical outlet, or install a second battery in the media bay. If the battery runs completely out of power, hibernate mode begins automatically.

By default, a pop-up window warns you when the battery charge is approximately 90 percent depleted. You can change the settings for the battery alarms in QuickSet or the Power Options Properties window. See "Configuring Power Management Settings" in your User’s Guide for information about accessing QuickSet or the Power Options Properties window.

Charging the Battery

NOTE: With Dell™ ExpressCharge™, when the computer is turned off, the AC adapter charges a completely discharged battery to 80 percent in about 1 hour and to 100 percent in approximately 2 hours. Charge time is longer with the computer turned on. You can leave the battery in the computer for as long as you like. The battery’s internal circuitry prevents the battery from overcharging.

NOTE: You must use a 90-Watt AC adaptor to use ExpressCharge a 9-cell battery.

When you connect the computer to an electrical outlet or install a battery while the computer is connected to an electrical outlet, the computer checks the battery charge and temperature. If necessary, the AC adapter then charges the battery and maintains the battery charge.

If the battery is hot from being used in your computer or being in a hot environment, the battery may not charge when you connect the computer to an electrical outlet.

The battery is too hot to start charging if the light flashes alternately green and orange. Disconnect the computer from the electrical outlet and allow the computer and the battery to cool to room temperature. Then connect the computer to an electrical outlet to continue charging the battery.

For more information about resolving problems with a battery, see "Power Problems" in your User’s Guide.

Removing the Battery

CAUTION: Before performing these procedures, turn off the computer, disconnect the AC adapter from the electrical outlet and the computer, disconnect the modem from the wall connector and computer, and remove any other external cables from the computer.

CAUTION: Using an incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell. The battery is designed to work with your Dell™ computer. Do not use a battery from other computers with your computer.

NOTICE: You must remove all external cables from the computer to avoid possible connector damage.For information about replacing the second battery, which is located in the media bay, see "Using Multimedia" in your User’s Guide.

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Quick Reference Guide

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Contents Quick Reference Guide Abbreviations and Acronyms Contents Contents Finding Information Service Tag and Microsoft Windows License Dell Support Website support.dell.comDell QuickSet Help Dell Support UtilityWindows Help and Support Center Setting Up Your Computer About Your Computer Front ViewBack View Left Side ViewRight Side View Bottom View Using a Battery Battery PerformanceMicrosoft Windows Power Meter Checking the Battery ChargeDell QuickSet Battery Meter Charge GaugeLow-Battery Warning Charging the BatteryRemoving the Battery Storing a Battery Troubleshooting Lockups and Software ProblemsWhen to Use the Dell Diagnostics Dell DiagnosticsOther software problems Starting the Dell Diagnostics From Your Hard DriveInsert the Drivers and Utilities Media Dell Diagnostics Main Menu Tab Function Index Index Référence rapide Remarques, avis et précautions Abréviations et siglesSommaire Sommaire Média Drivers and Utilities Recherche dinformationsQue recherchez-vous ? Trouvez-le ici Guide dinformation sur le produit DellNuméro de service et licence Microsoft Windows Guide dutilisationSite web de Support Dell support.dell.com Utilitaire de support DellAide Dell QuickSet Configuration de votre ordinateur Propos de votre ordinateur Vue frontaleVue arrière Vue du côté gaucheVue du côté droit Vue du dessous Utilisation dune batterie Performances de la batterieJauge dalimentation Microsoft Windows Vérification de la charge de la batterieJauge de batterie Dell QuickSet Indicateur de chargeCharge de la batterie Alerte de batterie faibleRetrait de la batterie Blocages et problèmes logiciels DépannageStockage de la batterie Un écran bleu uni apparaît Autres problèmes logicielsQuand utiliser Dell Diagnostics Lancement de Dell Diagnostics depuis le disque durMenu principal de Dell Diagnostics Insérez le média Drivers and UtilitiesOnglet Fonction Guide de référence rapide Index Index Guia de Referência Rápida Notas, avisos e advertências Abreviações e acrônimosÍndice Índice Mídia Drivers and Utilities Drivers e utilitários Como obter informaçõesQue você está procurando? Encontre aqui Guia de Informações do Produto DellGuia do usuário Do usuário e do sistema da Dell→ Guias do sistemaPara ver o site de suporte adequado Utilitário de suporte DellCentro de ajuda e suporte do Windows Ajuda do Dell QuickSetComo configurar o seu computador Sobre o seu computador Vista frontalVista traseira Vista esquerdaVista direita Vista da parte inferior Como usar a bateria Desempenho da bateriaMedidor de energia do Microsoft Windows Como verificar a carga da bateriaMedidor de bateria do Dell QuickSet Indicador de cargaComo carregar a bateria Advertência sobre bateria com pouca cargaComo remover a bateria Como armazenar a bateria Solução de problemasProblemas de travamento ou de software Outros problemas de software Uma tela inteiramente azul apareceQuando usar o Dell Diagnostics Como iniciar o Dell Diagnostics a partir do disco rígidoExit Sair Sai do utilitário de diagnóstico Guia Função Guia Índice remissivo Índice remissivo Guía de referencia rápida Notas, avisos y precauciones Abreviaturas y acrónimosContenido Contenido Localización de información ¿Qué busca? Aquí lo encontraráGuía del usuario Ver el sitio de asistencia técnica apropiado Clave Notebook System SoftwareCentro de ayuda y soporte técnico de Windows Configuración de su equipo Acerca de su equipo Vista posterior Vista lateral izquierdaVista lateral derecha Vista inferior Uso de la batería Rendimiento de la bateríaMedidor de energía de Microsoft Windows Comprobación de la carga de la bateríaMedidor de batería Dell QuickSet Medidor de cargaCarga de la batería Advertencia de bajo nivel de carga de la bateríaExtracción de la batería Almacenamiento de una batería Solución de problemasBloqueos y problemas con el software El equipo no se iniciaAparece una pantalla azul fija Otros problemas con el softwareUn programa no responde o falla repetidamente Cuándo utilizar los Dell Diagnostics Diagnósticos Dell Iniciar Dell Diagnostics desde la unidad de disco duroInserte el soporte Drivers and Utilities Menú principal de Dell Diagnostics Diagnósticos Dell Ficha Función Índice Índice