Reboot server stuck at “Press ESC in 1 seconds to skip startup.nsh”

I have a Cisco C240 server, and everytime after reboot, it will got stuck at screen like below.





To resolve this, I logged on to CIMC (cisco integrated management controller), and reconfigured the boot order.





Or









 

The article in the reference did not help.

 

Reference

=================

UCS : Press ESC in 2 Seconds to skip startup.nsh,any other key to continue (Boot Sequence)

https://supportforums.cisco.com/document/12689411/ucs-press-esc-2-seconds-skip-startupnshany-other-key-continue-boot-sequence