Dell Precision 7920 Tower Owner's Manual page 6

Engineering configurations............................................................................................................................................... 109
Updating the BIOS in Windows ....................................................................................................................................... 110
Updating BIOS on systems with BitLocker enabled.................................................................................................110
Updating your system BIOS using a USB flash drive............................................................................................... 110
Updating the Dell BIOS in Linux and Ubuntu environments.....................................................................................111
Flashing the BIOS from the F12 One-Time boot menu.............................................................................................111
MegaRAID controller options............................................................................................................................................ 114
System and setup password............................................................................................................................................. 115
Assigning a system setup password...........................................................................................................................115
Deleting or changing an existing system setup password.......................................................................................115
7 Software................................................................................................................................... 117
Supported operating systems........................................................................................................................................... 117
Downloading drivers........................................................................................................................................................... 117
Chipset driver...................................................................................................................................................................... 117
Graphics controller driver.................................................................................................................................................. 118
USB drivers..........................................................................................................................................................................118
Network drivers.................................................................................................................................................................. 119
Audio drivers........................................................................................................................................................................119
Ports..................................................................................................................................................................................... 119
Storage controller drivers.................................................................................................................................................. 119
Other drivers....................................................................................................................................................................... 119
8 Troubleshooting........................................................................................................................ 121
Dell Enhanced Pre-Boot System Assessment - ePSA Diagnostic 3.0...................................................................... 121
Running the ePSA Diagnostics....................................................................................................................................121
Testing memory using ePSA........................................................................................................................................121
Preboot blinking power button codes....................................................................................................................... 122
Hard drive indicator codes................................................................................................................................................125
9 Contacting Dell......................................................................................................................... 127
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