Dell OptiPlex 3000 Tower Service Manual page 5

Installing the system board....................................................................................................................................... 85
Chapter 3: Drivers and downloads................................................................................................91
Chapter 4: BIOS setup.................................................................................................................92
Entering BIOS setup program........................................................................................................................................ 92
Navigation keys..................................................................................................................................................................92
One time boot menu......................................................................................................................................................... 92
System setup options.......................................................................................................................................................93
Updating the BIOS.......................................................................................................................................................... 102
Updating the BIOS in Windows.............................................................................................................................. 102
Updating the BIOS in Linux and Ubuntu.............................................................................................................. 102
Updating the BIOS using the USB drive in Windows........................................................................................ 102
Updating the BIOS from the F12 One-Time boot menu................................................................................... 103
System and setup password......................................................................................................................................... 104
Assigning a system setup password......................................................................................................................104
Deleting or changing an existing system setup password............................................................................... 104
Clearing CMOS settings................................................................................................................................................ 105
Clearing BIOS (System Setup) and System passwords.........................................................................................105
Chapter 5: Troubleshooting....................................................................................................... 106
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 106
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 106
Power-Supply Unit Built-in Self-Test ........................................................................................................................ 106
System-diagnostic lights................................................................................................................................................107
Recovering the operating system................................................................................................................................108
Real Time Clock-RTC reset........................................................................................................................................108
Backup media and recovery options........................................................................................................................... 109
WiFi power cycle..............................................................................................................................................................109
Chapter 6: Getting help and contacting Dell............................................................................... 110
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