
Chapter 3: Software....................................................................................................................84
Drivers and downloads..................................................................................................................................................... 84
Chapter 4: System setup.............................................................................................................85
Boot menu...........................................................................................................................................................................85
Navigation keys..................................................................................................................................................................85
Boot Sequence...................................................................................................................................................................86
System setup options.......................................................................................................................................................86
Updating the BIOS in Windows .................................................................................................................................... 95
Updating BIOS on systems with BitLocker enabled........................................................................................... 95
Updating your system BIOS using a USB flash drive..........................................................................................96
System and setup password...........................................................................................................................................96
Assigning a system setup password....................................................................................................................... 97
Deleting or changing an existing system setup password................................................................................. 97
Chapter 5: Troubleshooting.........................................................................................................98
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................98
Running the SupportAssist Pre-Boot System Performance Check................................................................98
Diagnostic LED behavior..................................................................................................................................................98
Diagnostic error messages............................................................................................................................................ 100
System error messages..................................................................................................................................................103
WiFi power cycle..............................................................................................................................................................103
Chapter 6: Getting help and contacting Dell...............................................................................104
Contents
5
Содержание OptiPlex 7090 Tower
Страница 1: ...OptiPlex 7090 Tower Service Manual Regulatory Model D28M Regulatory Type D28M005 May 2021 Rev A00 ...
Страница 64: ...64 Removing and installing components ...
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