Dell Technology Guide
Page 278
... AND TYPE CANNOT BE DETERMINED. THIS CAN HAPPEN IF THE POWER ADAPTER IS MISSING, THE POWER CORD IS UNPLUGGED, OR THE COMPUTER IS NOT PROPERLY CONNECTED TO THE DOCKING STATION. STRIKE THE F1 KEY TO SHUTDOWN. IF YOU DID NOT CHANGE YOUR MEMORY... Contact Dell for instructions, see the documentation shipped with your computer...
... AND TYPE CANNOT BE DETERMINED. THIS CAN HAPPEN IF THE POWER ADAPTER IS MISSING, THE POWER CORD IS UNPLUGGED, OR THE COMPUTER IS NOT PROPERLY CONNECTED TO THE DOCKING STATION. STRIKE THE F1 KEY TO SHUTDOWN. IF YOU DID NOT CHANGE YOUR MEMORY... Contact Dell for instructions, see the documentation shipped with your computer...