- Notes, cautions, and warnings
- Working on your computer
- Removing and installing components
- Recommended tools
- System Overview
- Removing the Secure Digital (SD) Card
- Installing the Secure Digital (SD) Card
- Removing the ExpressCard
- Installing the ExpressCard
- Removing the Battery
- Installing the Battery
- Removing the Base Cover
- Installing the Base Cover
- Removing the Base-Corner Covers
- Installing the Base-Corner Covers
- Removing the Memory
- Installing the Memory
- Removing the Hard Drive
- Installing the Hard Drive
- Removing the Optical Drive
- Installing the Optical Drive
- Removing the Wireless Local Area Network (WLAN) Card
- Installing the WLAN Card
- Removing the Wireless Wide Area Network (WWAN) Card
- Installing the WWAN Card
- Removing the Network Connector
- Installing the Network Connector
- Removing the Coin-Cell Battery
- Installing the Coin-Cell Battery
- Removing the Power Connector
- Installing the Power Connector
- Removing the Heat-Sink Assembly
- Installing the Heat-Sink Assembly
- Removing the Processor
- Installing the Processor
- Removing the Keyboard
- Installing the Keyboard
- Removing the Palmrest Assembly
- Installing the Palmrest Assembly
- Removing the WiFi-Switch Board
- Installing the WiFi-Switch Board
- Removing the VGA Board
- Installing the VGA Board
- Removing the ExpressCard Cage
- Installing the ExpressCard Cage
- Removing the System Board
- Installing the System Board
- Removing the Speakers
- Installing the Speakers
- Removing the Display-Hinge Cap
- Installing the Display-Hinge Cap
- Removing the Display Assembly
- Installing the Display Assembly
- Removing the Display Bezel
- Installing the Display Bezel
- Removing the Display Panel
- Installing the Display Panel
- Removing the Display Hinges
- Installing the Display Hinges
- Removing the Camera
- Installing the Camera
- System Setup
- Diagnostics
- Technical Specifications
- Contacting Dell
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Dell Latitude E6540 Owner's Manual
Battery Status Lights
If the computer is connected to an electrical outlet, the battery light operates as follows:
- Alternately blinking amber light and white light
- An unauthenticated or unsupported non-Dell AC adapter is attached to your laptop.
- Alternately blinking amber light with steady white light
- Temporary battery failure with AC adapter present.
- Constantly blinking amber light
- Fatal battery failure with AC adapter present.
- Light off
- Battery in full charge mode with AC adapter present.
- White light on
- Battery in charge mode with AC adapter present.
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