Re: PC won't start

"Kevin S." <deevolutio@xxxxxxxxxxx> wrote in
news:1137467923.288028.33640@xxxxxxxxxxxxxxxxxxxxxxxxxxxx:

>
> Dave D wrote:
>> "Jill" <f@xxxxxxxxxxxxx> wrote in message
>> news:Xns974DA4AAF4BA1fchancecom@xxxxxxxxxxxxxxx
>> > likely because it's a Dell, but I thought I would ask for help
>> > anyway.
>> >
>> > So, here's the deal. Things been a POS from the get go, and spent
>> > the last year sitting on a desk bearly used (maybe once a month).
>> > A couple of months ago my system went down and the Dell became the
>> > new home office computer. Since, it's been running 24hrs a day, as
>> > I never turn my desktop off (for a number of reasons).
>> >
>> > Last night I moved it from one room to another and set it back up
>> > and when I pressed the power button, nothing happened. I held it
>> > down fir a minute to try and reset it and turned the power bar off
>> > (which caused the lights on the front of the case to light up
>> > breifly <maybe as a means of flushing any risidual power out?>) and
>> > then turned the power back on again. After pressing the power
>> > button a couple of more times in frustration, IT STARTS!
>> >
>> > Since its now in my bedroom, I turned it off when I was done and it
>> > hasn't been willing to turn on again since. I spent some time
>> > screwing with the button, but no go.
>> >
>> > So, I figure its the power supply. Swapped it out for the one from
>> > the broken system (since it was the mobo that went on that one) and
>> > I ended up with a very strange result. The new PS is a Super
>> > Flower 350W/370W (? if that makes sense) and has three fan
>> > settings. Each of these settings has its own colour light (blue,
>> > green and red) to make it easy to see what speed you have it on.
>> > Now, with this new PS in, when turn the PS on, I get a flash of
>> > lights on the front of the case, the fan spins for a second and
>> > then the fan light goes very dim. Its still on, but very faint.
>> > When I press the power button on the front of the case, still
>> > nothing happens. When I turn the PS off, I get the same thing; fan
>> > light gets bright, fan spins for a sec, lights on front of case,
>> > then the power goes off.
>> >
>> > unplugged everything, but 1 stick of RAM, 1 HD, and that's about
>> > it.
>> >
>> > Thoughts, ideas, suggestions? Any help would be much appreciated.
>> >
>> > A
>> >
>>
>> You don't say how old it is, but some years ago (around the PII era
>> IIRC) Dell were much criticised for switching the pinouts around on
>> their power supplies and motherboards, so you had to buy their exact
>> replacements. Fitting a standard ATX power supply was seemingly
>> straightforward as there was no obvious clue they were different, but
>> as soon as it wss powered on, there was catastrophic failure of the
>> motherboard and/or the power supply, or if one was lucky the power
>> supply would just shut down before any damage was done. I'd check the
>> Dell power supply is indeed a standard type, which it will be if it's
>> fairly recent.
>>
>> Dave
>
> One other thing to try if it's a model that has one, is the riser
> board. I used to have to support a site that had a bunch of Optiplex
> GX1's and about half of them wouldn't power up with their riser boards
> in 'em after a year or so. A documented Dell defect... Pull the riser
> if it's got one and see if it fires up.
>
>

Its a Dimension 4600.

Sorry, should have added that to my earlier post.

Cheers,

A

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