Arno.

Thanks for helping.

How can I tell if the PSU fan is bad without having the PSU installed?

"Arno Wagner" <me@privacy.net> wrote in message
news:4s1179Ft6fklU1@mid.individual.net...
> In comp.sys.ibm.pc.hardware.misc steve d. podleski
> <steve.d.podleski@boeing.com> wrote:
>> While I was working on my pc, the system shut down as if the power
>> failed.
>> I tried to turn the system back on but nothing happened. The only sign
>> of
>> power was a green light on the motherboard. I replaced the power supply
>> with
>> a used Dell power supply that I got at a surplus store; this used power
>> supply had an extra bundle of blue and while cable with a small connector
>> that, I guess, needs to be connected to the motherboard but I could not
>> find
>> a compabatible socket; the old power supply had only one connector to the
>> motherboard.This replacement power supply had no effect including not
>> lighting the green light on the motherboard.
>
> Bad idea to try a custom PSU. In the worst case you could completely
> fry your system, because they might use a different connector layout.
> As with the extra wires: How do you know they are not the +12v 50A
> extra power line? If connected to a power-putton input, what you
> hear will be the "pop" when the chipset explodes....
>
>> Also, when the computer was functional, I would get occasional warnings
>> from the BIOS that the fan had 0 rpms but the after a few seconds, the
>> fan
>> rpm was back to full value; I did not see this warning before the compuer
>> shut down.
>
> Typical for a fan with bearing trouble.
>
>> This system is over 5 years old with a 1.1GHz Athlon, ASUS motherboard
>> and
>> 300W power supply and 768MB Crucials (sp?) RAM.
>
> Get a known-to be good PSU and try that. Check all fans. If the
> CPU fan stopped, the CPU may be fried.
>
> Arno
>
>