Welcome to the Dell Community [NAME]  Dell Latitude E6320 Owner's Manual: [URL] Disconnect the AC adapter and remove/disconnect the “Main” battery. Disconnect the “Coin-Cell” battery. Connect ONLY the AC adapter for 3-5 seconds. Then disconnect the AC adapter. Connect the “Coin-Cell and Main” batteries ONLY. Turn the laptop over and open the lid. NOW connect the AC adapter. It should try to automatically boot 2-3 times. Post your results. Best regards, U2
My dell latitude e6320 is stuck at boot loopd+power button works displays many colourfn+power button it says diognostic boot selected and remain stuck when only power button pressed [IMAGE]  when fn+power button pressed [IMAGE] also gets warm so maybe cpu is ok      
dell latitude e6320 stuck at boot logo