If no-one else is logged in, then you've probably left your own account running when you hibernated. Log off first, then hibernate from the Welcome screen, and I think that will probably sort it. Hopefully.
Actually, having re-read your post; what do you mean by "If l leave my L/T in hibernation then close down...."? Hibernation is a form of shutdown, in which your Windows session is saved to disk for quick startup. So the PC would already be powered down after hibernation has been selected.
What l was saying was if l leave the laptop for a little while and it is little then go back the screen is halved and on one side the left it says are you sure ect on right side l just have to click my user name and l get straight onto the desk top
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