Views of XPS 15 7590Front1. Left microphoneProvides digital sound input for audio recording and voice calls.2. Power and battery-status lightIndicates the power state and battery state of the computer.Solid white—Power adapter is connected and the battery is charging.Solid amber—Battery charge is low or critical.Off—Battery is fully charged.3. Right microphoneProvides digital sound input for audio recording and voice calls.Right1. SD-card slotReads from and writes to the SD card.2. USB 3.1 Gen 1 port with PowerShareConnect peripherals such as external storage devices and printers.Provides data transfer speeds up to 5 Gbps. PowerShare enables you to charge your USB devices even when your computer is turnedoff.NOTE: If the charge on your computer’s battery is less than 10 percent, you must connect the power adapter tocharge your computer, and USB devices connected to the PowerShare port.NOTE: If a USB device is connected to the PowerShare port before the computer is turned off or in hibernate state,you must disconnect and connect it again to enable charging.NOTE: Certain USB devices may not charge when the computer is turned off or in sleep state. In such cases, turn onthe computer to charge the device.3. Battery-charge status lights (5)Turn on when the battery-charge status button is pressed. Each light indicates approximately 20% charge.4. Battery-charge status buttonPress to check the charge remaining in the battery.5. Security-cable slot (wedge-shaped)Connect a security cable to prevent unauthorized movement of your computer.26 Views of XPS 15 7590