You may need to access to F2 BIOS settings to check what is the current BIOS version.
Please refer to the BIOS release notes: https://dell.to/2Y9GjrU on the upgrade version. You should upgrade the BIOS version 1 step version at a time. To download previous version of BIOS, this would be the link: https://dell.to/2vERahu.
DELL-Joey C
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May 5th, 2019 23:00
Hi,
You may need to access to F2 BIOS settings to check what is the current BIOS version.
Please refer to the BIOS release notes: https://dell.to/2Y9GjrU on the upgrade version. You should upgrade the BIOS version 1 step version at a time. To download previous version of BIOS, this would be the link: https://dell.to/2vERahu.