Dell OptiPlex 5055 Tower Owner's Manual
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DDR4................................................................................................................................................................................. 55DDR4 Details.............................................................................................................................................................. 55Memory Errors........................................................................................................................................................... 56Active State Power Management..................................................................................................................................565 System setup...............................................................................................................................................57Boot menu.........................................................................................................................................................................57System Setup options..................................................................................................................................................... 57Updating the BIOS in Windows .....................................................................................................................................63Updating BIOS on systems with BitLocker enabled.............................................................................................. 64Updating your system BIOS using a USB flash drive............................................................................................ 64Updating the Dell BIOS in Linux and Ubuntu environments....................................................................................... 64Flashing the BIOS from the F12 One-Time boot menu............................................................................................... 65Technical Specifications.................................................................................................................................................. 68Processor.................................................................................................................................................................... 69Memory.......................................................................................................................................................................69Video............................................................................................................................................................................69Audio............................................................................................................................................................................70Network.......................................................................................................................................................................70Expansion bus ............................................................................................................................................................70Wireless....................................................................................................................................................................... 70Drives............................................................................................................................................................................71External connectors....................................................................................................................................................71Controls and lights .................................................................................................................................................... 72Power...........................................................................................................................................................................72Physical dimension..................................................................................................................................................... 73Environmental............................................................................................................................................................. 738 Troubleshooting........................................................................................................................................... 74Diagnostic and Power LED codes.................................................................................................................................. 74Enhanced Pre-Boot System Assessment — ePSA diagnostics................................................................................ 787 Getting help................................................................................................................................................. 79Contacting Dell................................................................................................................................................................. 798 Troubleshooting........................................................................................................................................... 80Contents 5 |
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