My acer powers up but shut down at the windowsME screen.

I have the same problem but i can't do the whole put in CD thing cause it came with windows Xp and instead of currupt file it says like "We apologize windows was not able to start up at this time this may have occered do to a recent hardware change or power failure" then it says press "start windows normally" if you don't know the cause of the problem and so I do but then it looks like its loading but then my CPU makes the same sound when you first turn it on then it goes back to the whole same process if anyone can help i would greatly aprciate it I have the same problem but i can't do the whole put in CD thing cause it came with windows Xp and instead of currupt file it says like "We apologize windows was not able to start up at this time this may have occered do to a recent hardware change or power failure" then it says press "start windows normally" if you don't know the cause of the problem and so I do but then it looks like its loading but then my CPU makes the same sound when you first turn it on then it goes back to the whole same process if anyone can help i would greatly aprciate it

It comes up windows xp the starts the whole process again and that computer is important to me It comes up windows xp the starts the whole process again and that computer is important to me