Re: computer playing up when switching it on

From	felix_unger <me@nothere.biz>
Newsgroups	aus.computers
Subject	Re: computer playing up when switching it on
Date	2015-11-09 12:05 +1100
Message-ID	<daa9qkFcdbqU7@mid.individual.net> (permalink)
References	<ftuwz9wvfzcs.1897hoif7ah3c$.dlg@40tude.net> <n1nh4p$fj$1@dont-email.me>

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On 09-November-2015 12:04 AM, Xeno wrote:
> On 8/11/2015 11:01 PM, SolomonW wrote:
>> It seems to be so if its switched off at the plug before powering down.
>> Then sometimes a computer takes a long time to start up if I switch 
>> it on.
>> I have to go with the power switch off, on, off, on, etc. until its 
>> starts
>> up.
>>
>> If I shut it down using window, it is never a problem, its starts
>> instantly.
>>
>> Any idea what is the problem or what I should look at?
>
> Sounds like an issue with the power supply to me.
>
> http://tinyurl.com/2v49d7c
>
> I suspect the 'power good' signal might have something to do with it. 
> Parts of the motherboard are live all the time when you do a soft 
> power off as in when you use Windows to shut the system down. When you 
> turn of the power at the wall, there is no power on the MB at all so 
> the motherboard relies on a 'power good' signal from the power supply 
> in order to turn on. Seems like your PSU might be getting a bit dickie 
> in regard to this signal on a cold start.

or.. the PS may be inadequate for the hardware installed, as more power 
is needed in a cold start

>
>
> More detail here, including a connector pinout where you can check 
> voltages.
> http://tinyurl.com/3xryye5
>
>
> Do you have a known good working PSU that you can swap in to test the 
> system? I always keep a couple on hand for situations like this.
>
>


-- 
rgds,

Pete
-------
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computer playing up when switching it on SolomonW <SolomonW@citi.com> - 2015-11-08 23:01 +1100
  Re: computer playing up when switching it on Xeno <xenolith@optusnet.com.au> - 2015-11-09 00:04 +1100
    Re: computer playing up when switching it on felix_unger <me@nothere.biz> - 2015-11-09 12:05 +1100
      Re: computer playing up when switching it on "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-11-09 13:27 +1100
      Re: computer playing up when switching it on Xeno <xenolith@optusnet.com.au> - 2015-11-09 13:49 +1100
    Re: computer playing up when switching it on SolomonW <SolomonW@citi.com> - 2015-11-09 22:42 +1100
  Re: computer playing up when switching it on Petzl <petzlx@gmail.com> - 2015-11-09 16:04 +1100
    Re: computer playing up when switching it on SolomonW <SolomonW@citi.com> - 2015-11-09 22:43 +1100

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