Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!uc!cs.umn.edu!cybrspc!roy From: cybrspc!roy@cs.umn.edu (Roy M. Silvernail) Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: Mom's PC Died Message-ID: Date: 5 Jul 90 08:21:26 GMT References: <1004@lehi3b15.csee.Lehigh.EDU> Organization: Villa CyberSpace, Minneapolis, MN Lines: 18 jearly@lehi3b15.csee.Lehigh.EDU (John Early) writes: > Don't give up on the > power supply just yet...try this: disconnect all the power supply connection > to hard and floppy drives (and anything else) as well as the motherboad. > Turn it on. If the fan runs the powersupply is fine, and the problem is > (most likely) on the motherboard. That's not a 100% sure indicator. It seems that some (many?) switching power supplies will not operate at all unless loaded. Thus, pulling all the plugs on one of these will guarantee a "dead" supply. 2 of my supplies are of this type, and I was warned about this behaviour when I purchased them. -- Roy M. Silvernail | 'I don't see why you people | Opinions found now available at: | seem to think this is magic... | herein are mine, cybrspc!roy@cs.umn.edu | Its just this little chromium | but you can rent (cyberspace... be here!)| switch here...[click]' | them.