Latitude 5175/5179 User’s Guide

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Battery

Problems Possible causes Possible solutions
Battery does not charge The cable connections may be loose.
  1. Check the cable connectors and power adapter to ensure proper connectivity.
  2. Verify that the wall outlet is functioning by connecting another device.
  3. Check the light on the power-adapter cable.
  4. Ensure that you are using the power adapter that shipped with the tablet.
  5. Disconnect the power adapter and connect after approximately 10 seconds.
The tablet's temperature is below 0°C (32°F) or higher than 35°C (95°F). Charge the battery in an ambient temperature between 0°C to 35°C (32°F to 95°F).
The battery or power adapter is damaged. Contact Dell. See Contacting Dell.
Battery does not charge when the battery charge is at 95% to 99% The battery is in maintenance mode to prolong battery life.
Battery drains quickly even when the tablet is in standby mode If the tablet is not in the range of a network it can connect to, the tablet continues to try to locate a base station and drains the battery.
  • Temporarily turn off the tablet.
  • Move the tablet in range of a network it can connect to or temporarily turn off the wireless connection on your tablet.
  • Disable Wi-Fi or mobile broadband when not in range of any wireless networks.
  • Enable airplane mode.
Battery charge values are not accurate   Charge the tablet until the battery is fully charged and then use the tablet until the battery drains completely and the tablet turns off. This recalibrates the battery charge value.
Battery is fully charged (battery charge is at 100%) but the battery-charging status light is on

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