I am having this error message on my hp dc7800.

[esakhelvi]

2210 - parameters frame error
me bios extension module execution has halted
update bios or management engine firmware if problem persists.

2206 - end of post heci failure
system halted. power cycle the system to reboot.

 

[GhislainG]

Did you try the solution in this thread? http://h30499.www3.hp.com/t5/Business-PCs-Compaq-Elite-Pro/ME-Error-on-Compaq-dc5800/td-p/940477#.VLpkeC6oOqE It isn't the exact same system, but the procedure should be the same.