Computer Problem...?

the desktop on my pc is ok but the problem is the start button keeps on disappearing after the computer starts. it will show for a little while but then it would disappear. what seems to be the problem??? even though, it was gone, i can still use my pc, but it's just hard to turn it off, because the shut down... show more the desktop on my pc is ok but the problem is the start button keeps on disappearing after the computer starts. it will show for a little while but then it would disappear. what seems to be the problem??? even though, it was gone, i can still use my pc, but it's just hard to turn it off, because the shut down button is in the start button. hope somebody can help me regarding this. thanx.
3 answers 3