Service Manual

32 Felsökning............................................................................................................................... 66
Flash-uppdatera BIOS.........................................................................................................................................................66
Installera om Windows med hjälp av en USB-enhet för återställning...........................................................................66
Flash-uppdatera BIOS (USB-minne)................................................................................................................................ 66
Åtgärda ett uppstartsproblem orsakat av USB-boot support....................................................................................... 67
Förbättrad systemutvärderingsdiagnostik före start (ePSA)........................................................................................ 67
Köra ePSA-diagnostik................................................................................................................................................... 67
System diagnostic lights.....................................................................................................................................................68
Ladda ur väntelägesström..................................................................................................................................................68
WiFi-strömcykel...................................................................................................................................................................69
33 Få hjälp och kontakta Dell..........................................................................................................70
6 Contents