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Service Manual

ManualsBrandsDell ManualsDesktopsOptiPlex 3280 All In One all-in-one - Core i3 10105T 3 GHz - 8 GB - SSD 256 GB - LED 21.5" - with 1-year Basic Onsite (AT, DE - 3-year) - Pricing Type: Build To Stock (BTS)
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Table Of Contents
4 System setup.............................................................................................................................80
BIOS overview..................................................................................................................................................................... 80
Entering BIOS setup program............................................................................................................................................80
Navigation keys....................................................................................................................................................................80
Boot Sequence..................................................................................................................................................................... 81
System setup options.......................................................................................................................................................... 81
System and setup password.............................................................................................................................................. 87
Assigning a system setup password........................................................................................................................... 88
Deleting or changing an existing system setup password........................................................................................88
5 Troubleshooting.........................................................................................................................89
Dell SupportAssist Pre-boot System Performance Check diagnostics........................................................................89
Running the SupportAssist Pre-Boot System Performance Check....................................................................... 89
Display built-in self test.......................................................................................................................................................89
Diagnostics........................................................................................................................................................................... 90
Recovering the operating system...................................................................................................................................... 91
Flashing BIOS (USB key).................................................................................................................................................... 91
Flashing the BIOS.................................................................................................................................................................91
WiFi power cycle................................................................................................................................................................. 92
Flea power release...............................................................................................................................................................92
6 Getting help and contacting Dell..................................................................................................93
Contents
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