https://www.dell.com/support/kbdoc/en-us/000139731/what-the-headless-operation-mode-active-post-message-means-and-how-to-stop-it-appearing-during-start-up
dell官方解释:
提示来自于BIOS/UEFI固件中POST Behaviar,只要打开了忽略警告、错误继续执行,dell认为存在风险就弹出提示。
解决方法:
开机按F2进入BIOS
进入POST Behavior -> Warnings and Errors
选择 Prompt on Warnings and Errors
点apply后重启解决。