Service Manual
Öppna BIOS-inställningsprogrammet............................................................................................................................... 36
Navigeringstangenter..........................................................................................................................................................36
Startsekvens........................................................................................................................................................................ 37
Alternativ för systemkonfiguration....................................................................................................................................37
System- och installationslösenord.....................................................................................................................................46
Tilldela ett systeminstallationslösenord.......................................................................................................................46
Radera eller ändra ett befintligt systeminstallationslösenord...................................................................................46
Återställa CMOS-inställningar...................................................................................................................................... 47
Rensa BIOS (systeminställningar) och systemlösenord............................................................................................47
Kapitel 5: Felsökning..................................................................................................................... 48
SupportAssist-diagnostik....................................................................................................................................................48
Hitta servicetaggen eller expresstjänstkoden för din Dell-dator......................................................................48
Systemets diagnosindikatorer............................................................................................................................................48
Återställ operativsystemet................................................................................................................................................. 49
Flash-uppdatera BIOS (USB-minne)................................................................................................................................ 49
Flash-uppdatera BIOS........................................................................................................................................................ 50
Säkerhetskopieringsmedia och återställningsalternativ..................................................................................................50
WiFi-cykel.............................................................................................................................................................................50
Frisläppning av kvarvarande ström................................................................................................................................... 50
Kapitel 6: Få hjälp och kontakta Dell................................................................................................52
4
Innehåll