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On Sun, 11 Nov 2007 07:14:57 +0000, peter <peter@xxxxxxxxxxxxxxxxxxxx> wrote: >Hi > >I am having problems with a computer which sometimes starts and >sometimes just sits there (No mouse or Keyboard lights, no screen (not >even the BIOS start up whatever that is called) no nothing). > >When it does start I am told that it freezes up after a few minutes. > >I will know more when I have tried playing with it for a bit, but has >anyone any obvious idea at a solution. > >Thanks in Advance. > >Peter > Hi, I spent 3 hours at work on Friday helping fix a machine with the same problem :-) (LED's on ethernet ports lit up, but we could not ping the machine. Hard disk and CD-Rom LED's flashed at powerup, but no POST screen) Dead 5V rail on PSU - swapped psu's with another machine and it worked again. (Donor machine offline till next week, but it was not as critical) (one of a pair of 'headless' Redhat boxes buried inside a computerized vision system and controlled by a third box, which made diagnosis a bit more tricky) best regards Dave -- http://www.morgad.co.uk/index.html gpg:0x64B5E037 Distributed Proofreaders: http://www.pgdp.net The NTP server pool http://www.pool.ntp.org The L&B is being rebuilt! http://www.lynton-rail.co.uk -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html