戴尔开机后出现pre-boot system performance check？

Question

下面是System Scan in progress
Testing Memory in progress...Estimated time left 1min 48sec
按Esc黑屏，左上角出现:
>>checking media presence......
>>Media Present......
>>Start PXE over IPv4 on MAC: XX-XX-XX-XX-XX-XX(Mac地址)再按Esc重复到performance check

Answer 1

那是dell主板自带的检抄测程序(Pre-boot system Assessment)。如果机器检测到问题，会提袭示“error
code”并伴随警报百声。请记下8位代码以便通过戴尔售后度报修；如果检测机器问运行正常，则会提示“OK.No problem had
been found in this system……”您可以按OK或者直答接关机

Answer 2

下面是System Scan in progress Testing Memo