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![SOLVED] UEFI Issues on Optiplex 390](https://static.spiceworks.com/shared/post/0021/8341/UEFI_BIOS_Boot_Select.png "SOLVED] UEFI Issues on Optiplex 390")
SOLVED] UEFI Issues on Optiplex 390
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UEFI - Dell Community
HELP! optiplex 390 diagnostic lights 1,2,4 - Dell Community
3020, support UEFI ? - Page 3 - Dell Community
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OptiPlex 390 Desktop Owner's Manual
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