Not booting up

[Mullenger]

Hi have had for a few years but all of sudden when turn on it says booting
Up and don't do no more
I have unplugged and tried several times please help
Frank

[flimflam]

Can you hear any fan or hard drive noise when you plug the unit in?
Also, does the LCD screen display flash every 20 secs or so in a continuous loop?

Let me know the answers to the questions and I might be able to suggest what the problem is.

Cheers