Dell E7240 owner manual

Page 53

Alternately	An unauthenticated or unsupported non-Dell AC adapter is attached to your
blinking amber	laptop.
light and white
light
Alternately	Temporary battery failure with AC adapter present.
blinking amber
light with
steady white
light
Constantly	Fatal battery failure with AC adapter present.
blinking amber
light
Light off	Battery in full charge mode with AC adapter present.
White light on	Battery in charge mode with AC adapter present.

Image 53

Contents Dell Latitude E7240 Page Contents Specifications Contacting Dell Before Working Inside Your Computer Working on Your ComputerPage After Working Inside Your Computer Turning Off Your ComputerTurn on your computer Docking Your Computer Page System Overview Removing and Installing ComponentsRecommended Tools Inside view Front Removing the SD Card Installing the SD CardRemoving the Battery Removing the Base Cover Installing the BatteryRemove the screws that secure the base cover to the computer Removing the mSATA SSD Card Installing the Base CoverInstalling the Keyboard Trim Installing the mSATA SSD CardRemoving the Keyboard Trim Removing the KeyboardInstalling the Keyboard Removing the Palmrest Installing the Wi‐Fi Switch Board Installing the PalmrestRemoving the Wi‐Fi Switch Board Removing the Wlan Card Installing the Memory ModuleRemoving the Memory Module Removing the Wwan Card Installing the Wlan CardInstalling the Display Bezel Installing the Wwan CardRemoving the Display Bezel Removing the Display PanelInstalling the Display Panel Installing the Coin-Cell Battery Removing the Coin-Cell BatteryRemoving the Display-Hinge Cover Installing the SpeakersRemoving the Speakers Removing the Heatsink Installing the Display-Hinge CoverRemoving the Display Assembly Installing the HeatsinkPage Removing the System Fan Installing the Display AssemblyRemoving the System Board Installing the System FanInstalling the System Board Installing the Power Connector Removing the Power ConnectorFollow the procedures in After Working Inside Your Computer Docking Port Information Page Navigation Keys System SetupBoot Sequence System Setup Options COM2 SATA-0 Video Secure Boot KEK Hyper-Thread Control Post Behavior Virtualization Support Wlan Updating the BiosPassword Type System and Setup PasswordPage Page Enhanced Pre-Boot System Assessment ePSA Diagnostics DiagnosticsDevice Status Lights Battery Status LightsPage Page Specifications UMA Ports and Connectors Discharge 0 C to 70 C 32 F to 122 F Physical Page Contacting Dell

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