Yep, good guess. I swapped in the power supply from my wife's computer (hey, it's HER dad, right?) and his computer booted up just fine.
I'll pick up a new power supply for him tomorrow. Allan Peter Frederick <psf...@earthlink.net> writes: > Fans are 12V, not 5V, and for whatever reason, improper voltage or > excessive ripple current on the 5V line will prevent the CPU from > working. Can also play merry h..l with the logic board itself, > leading to failure to initiate video, read drives, etc. > > The fans will run fine at 10V or 14V, the processor will NOT run way > outside the specs. > > Peter > > > On Jan 1, 2012, at 4:24 PM, Allan Streib wrote: > >> Peter Frederick <psf...@earthlink.net> writes: >> >>> Check the fan in the power supply. However, once they go sprong, >>> usually the 5V line in the PS is flaky and it won't boot because the >>> processor voltage is too low. >> >> Power supply fan is working. All the fans come on at full speed as >> soon >> as it's plugged in. >> >> Allan >> >> -- >> 1983 300D >> 1979 300SD >> >> _______________________________________ >> http://www.okiebenz.com >> For new and used parts go to www.okiebenz.com >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > -- 1983 300D 1979 300SD _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
