Hi dear, I bought an used dell optiplex gx1 and start but and say: press <ctrl><alt><enter> for system setup (and I do it but nothing happen> my key board is ok I allredy try it with another computer and work) also say erro 8602 auxiliare device failure. pxe-moo:initializing landesk service agent for 3c90, type de password and... press <enter> to leave p/w security enable, press <ctrl><enter> to disable p/w (and I done it and nothing) then say enter password. What can I do to disable that p/w get to the setup so I can format the H/D and install Windows 98se Thank you before de hand you could e-mail me at sergioperez20@msn.com thanks a lot.