[Klug-general] Dead machine.
msinclair at mody.me.uk
Tue Feb 3 18:55:39 UTC 2015
Most modern motherboards have anti surge built in, so should resist
those arcs from connecting the plug to the PSU, I see it all the time
and never caused me any problems... yet. Double check that the little
power connectors that go from the power switch on the case are still
connected to the motherboard at the bottom right hand corner, they are
usually close by the SATA connectors where you have plugged in the DVD
I can't seem to find the exact model of the Zoostorm, but the new power
supply you got should be fine. Maybe you can see the motherboard model,
usually printed above or below the main PCIe lane. The fact that
nothing starts, no spinning fans, no beeps (is the internal speaker
plugged in, usually to the left of the power points on the motherboard
pointed out above) indicates either no power is getting to the supply or
the motherboard is really dead.
Other points to check; are the power plugs from the PSU are properly
connected, they can be a little tough to push in properly. PSU switch
is in the on position and power cable fuse hasn't blown. You can also
try clearing the CMOS, remember to unplug the PC before doing this and
then replace the pins back to original position before plugging it in
again. Clearing CMOS should only be done if you have the manual of the
On 03/02/15 18:18, Sharon Kimble wrote:
> Sent using Boxer
> On 3 Feb 2015 17:42, Michael Sinclair <msinclair at mody.me.uk> wrote:
>> Those are both power connectors. The long oblong one is a power
>> connector for most of the functions. The small 4 pin one is extra power
>> mainly for the CPU. What is the model of the motherboard or computer?
> It's a zoostorm PC for £150 bought from ebuyer in January 2013, s/n st 300437 model 7872-1076B
>> And what is the power supply (watts) of the PSU?
> The new psu is a Tesla ATX switching psu, 230v, 5a, 50-60hz, 750w
>> If the PSU was arcing then it can be assumed either or both the
>> motherboard and CPU could have been fried by this.
> At the time of rebooting it was not arcing, that only occurred when the mains power lead was brought in close proximity to its socket. Then it always arced, and it was like that for some months.
>> How do you know that it was arcing?
> I could see and hear it arcing so I knew that the psu was dying.
>> On 03/02/15 16:11, Sharon Kimble wrote:
>>> Sent using Boxer
>>> On 3 Feb 2015 15:35, James Mulligan <jamesmulliganuk at gmail.com> wrote:
>>>> Hi - I don't follow why you don't suspect the PSU - have you put in a new one? I would disconnect everything not absolutely required far a basic bios boot, maybe double check the power switch connector on the motherboard. I have a psu tester and a spare psu if you are near faversham
>>> Yes brand new psu in its original wrapping. But no activity from the computer.
>>> What is the "power switch connector "? There were 2 power plugs connected to the motherboard, one long oblong one, and a small one of four pins. Is it one of those two please?
>>>> On 3 February 2015 at 15:02, Sharon Kimble <boudiccas at skimble.plus.com> wrote:
>>>>> P su connected 2 plugs to motherboard, one each to DVD and hard drive. Plugged in to power block, started, no activity at all, no drive spinning up, no fans turning.
>>>>> New power lead, tried different power block, no change.
>>>>> History - machine is 2 years old, died during reboot last Friday morning. I'd been having problems with the psu, arcing, not working unless plug removed and replaced, so I assumed that the psu had died. Today shows it wasn't the psu! Not even the monitor shows that it's connected, just says no signal.
>>>>> Any ideas what else to try please? Only internet access through my mobile at present.
>>>>> Sent using Boxer
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>>>>> Kent at mailman.lug.org.uk
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