Dell Technology Guide
Page 278
... is supported by your computer (see your computer). Run the Dell Diagnostics (see "Entering the System Setup Program" on page 281). Connect the correct AC adapter to the computer or docking station. THIS CAN HAPPEN IF THE POWER ADAPTER IS MISSING, THE POWER CORD IS UNPLUGGED, OR THE COMPUTER IS NOT PROPERLY CONNECTED TO...
... is supported by your computer (see your computer). Run the Dell Diagnostics (see "Entering the System Setup Program" on page 281). Connect the correct AC adapter to the computer or docking station. THIS CAN HAPPEN IF THE POWER ADAPTER IS MISSING, THE POWER CORD IS UNPLUGGED, OR THE COMPUTER IS NOT PROPERLY CONNECTED TO...