I have a friends machine here that won't start. The power supply is OK, the on/off switch is OK to the MB. How do I tell if the MB or processor is bad? When you hit the switch nothing runs at all. Rocky Fithian K2LN If God doesn't seem near, Who Moved? Click the link to see my web pages http://web.sccoast.net/users/rockyfit/webpagelinks.htm ========================= The list's FAQ's can be seen by sending an email to PCWorks-request@xxxxxxxxxxxxx with FAQ in the subject line. To unsubscribe, subscribe, set Digest or Vacation to on or off, go to //www.freelists.org/list/pcworks . You can also send an email to PCWorks-request@xxxxxxxxxxxxx with Unsubscribe in the subject line. Your member list settings can be found at //www.freelists.org/cgi-bin/lsg2.cgi/l=pcworks . Once logged in, you have access to numerous other email options. The list archives are located at //www.freelists.org/archives/pcworks/ . All email posted to the list will be placed there in the event anyone needs to look for previous posts.