While using my computer, I accidentally unplugged the computer. I can not get it to boot up now.  I have tired EVERY option:
safe mode
safe mode w/ networking
safe mode w/ command prompt
last know good configuration
start windows normally

I've tried F10 and gone into reset defaults settings, but that doesn't do anything either.
Everything I try takes me back to the BLACK screen that lists the above options.
I can hear the hardrive working, but it's like it can't find it's way.
A little help, please??Have you got a XP cd?.Thanks for replying!  I have the restore CD - brand is emachines.  Will this help?  I don't think I have a Windows XP CD but I'll keep looking. 
Thank you If you use that restore CD ALL your data and programs will be gone...
They are DESIGNED to take a machine back to Day One status...
Anything installed after that and any work you have will be wiped out.

One thing you can try:
Unolug the power.
Disconnect either the power or data cable that goes to the hard drive.
Toggle the reset switch on the back of the PSU a few times.
Plug in and power up the machine...let it sit for about 5 mins and power down.
Repeat this a few times.

Then re-connect the HDD and see if it boots properly.I will give it a try-thanks!  I have seen a message pop up before it takes me back to the black screen that says no signal detected.  COULD that have something to do with it?
Thanks again!Sounds like your monitor cable might have come loose or stressed when you accidently unplugged...or the strain has moved your video card.No luck on the powering down suggestion.  I checked the monitor cable.  If there was a problem with that, would the black screen still show up on the monitor?  When I say black scrren, I mean the one that has the options to enter safe mode, last know good config, etc.
I hear my hard drive turn on for about 5 seconds and then it quits.
Any other thoughts? 
Allan, if I'm able to get an XP Cd, what will that do?
Do us a favor. On the black screen choose "disable restarts on system failure". This should generate a blue screen with and error message. Post back with that message including all of the gibberish. QUOTE from: JJ 3000 on October 10, 2009, 11:42:39 PM

Do us a favor. On the black screen choose "disable restarts on system failure". This should generate a blue screen with and error message. Post back with that message including all of the gibberish.