Dell Latitude 5430 Service Handbook page 5

Handledsstödsenhet..........................................................................................................................................................81
Removing the palm-rest assembly........................................................................................................................... 81
Installing the palm-rest assembly............................................................................................................................ 82
SIM-kortsplatshållare....................................................................................................................................................... 84
Removing the dummy SIM-card slot filler............................................................................................................. 84
Installing the dummy SIM-card slot filler............................................................................................................... 85
Chapter 3: Drivrutiner och hämtningsbara filer............................................................................87
Chapter 4: BIOS-inställningar......................................................................................................88
Översikt av BIOS............................................................................................................................................................... 88
Öppna BIOS-inställningsprogrammet........................................................................................................................... 88
Navigeringstangenter....................................................................................................................................................... 88
Meny för engångsstart.................................................................................................................................................... 89
System setup options.......................................................................................................................................................89
Uppdatera BIOS.................................................................................................................................................................99
Uppdatera BIOS i Windows.......................................................................................................................................99
Uppdatera BIOS i Linux- och Ubuntu..................................................................................................................... 99
Uppdatera BIOS med USB-enheten i Windows................................................................................................... 99
Flasha BIOS från F12-menyn för engångsstart.................................................................................................. 100
System- och installationslösenord...............................................................................................................................100
Tilldela ett systeminstallationslösenord................................................................................................................. 101
Radera eller ändra ett befintligt systeminstallationslösenord.......................................................................... 101
Rensa BIOS (systeminställningar) och systemlösenord......................................................................................... 102
Chapter 5: Felsökning................................................................................................................ 103
Hantera svullna litiumjonbatterier................................................................................................................................ 103
Dell SupportAssist-diagnostik för kontroll av systemprestanda före start........................................................103
Köra systemprestandakontroll för SupportAssist före start........................................................................... 104
Inbyggt självtest (BIST)................................................................................................................................................. 104
M-BIST......................................................................................................................................................................... 104
LCD-strömskenetest (L-BIST)............................................................................................................................... 105
LCD inbyggda självtestet (BIST)........................................................................................................................... 105
Systemets diagnosindikatorer...................................................................................................................................... 105
Återställ operativsystemet.............................................................................................................................................107
Realtidsklocka (RTC-återställning)..............................................................................................................................107
Automatisk RTC-återställning...................................................................................................................................... 108
Säkerhetskopieringsmedia och återställningsalternativ......................................................................................... 108
WiFi-cykel.......................................................................................................................................................................... 108
Dränering av kvarvarande ström (utför maskinvaruåterställning).......................................................................108
Chapter 6: Få hjälp och kontakta Dell......................................................................................... 110
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