On Sun, 2005-06-26 at 08:05 -0400, Jeffrey D. Yuille wrote: > Peter Jones wrote: > > >On Sun, 2005-06-26 at 00:31 -0400, Jeffrey D. Yuille wrote: > > > > > >>Hello, > >> > >> I am currently have Fedora Core 4 installed on a Dell Dimension XPS > >>T600R desktop and I am experiencing intermitent lockups whenever I have > >>multiple programs open at the same time (for example, Mplayer, Firefox > >>and FreeCell Solitaire). > >> > >> > > > >Time for memtest86 . > > > > > Hello Peter, > > Thanks for the advice. I tried to run this command from the > command line, but it states, "command not found" . How do I do this? Boot the CD; at the prompt, type "memtest86". -- Peter