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Hi I have a PC, model PC MT14 MT8072N.   There are also other numbers on the base e.g. P/N (8 digits), S/N (2 letters, 7 digits), Med S/N (14 digits) so not sure which is my MSN!    Ok, the PC has been in a box for a year whilst I moved house and today when I went to boot it up, it beeps 1 long, 2 short. I've tried to take the graphics card out and reset it but have no tools (or chopstick) to hand and can't move the white 'trigger' type switch underneath which I presume unlocks it. I am a bit nervous in case I'm on the wrong track totally and it isn't the graphics card at all.   There is no signal getting to the monitor, and I have tried 3 monitors and multiple cables. So, I can't get in to the BIOS or anything to see if there is an issue there.    I've tried booting up with the Delete key held down before powering up - nothing. And also tried holding the Escape key down before powering up - still nothing.    Any suggestions would be gratefully received.  It worked fine when it was packed away!!   Thanks PortuGal.     ... Mehr anzeigen