I reset the server, then i got the message

Warning! iDRAC initialization error. Continuing to boot may yield unexpected power loss due to unknown power inventory and varios features lost such as Remote access,...

Management engine mode : Active
Managemnet engien firmware version: 0002.0001

                                                       path     :  0005

                                                        build:    006d

strike the f1 to continue, f2 to run the system setup program

iDRAC Settings:

SWC0700: iDRAC is nor ready.

And then Fan Running Full Speed

Thank you in advance for your replies.