What's it mean When it says.......

[Crispy]

CMOS Checksum Error - Defaults Loaded

What's that mean and what did I do? All I did was take out IDE cable and Wrapped..Then I Unwrapped it. So what's this mean and how can I fix It?
Please don't tell me it's Serious.
Well Ok tell me, so I atleast know

 

[Kriegster]

ok ITS SERIOUS. hehehe-just kiddin Don't worry about it. I probably got that a hundred times over the years. Its probably because your hard drive isn't connected correctly

 

[Crispy]

Cool Thanks...Yeah I just Hooked my HD back up. I admit I got Scared for a Sec. I Only just Recieved all These parts to build PC last week. So I wasn't sure if I got a Busted PC or what Not. Thanks Again