Any suggestions, please?

[Basil Chupin]

On 11/09/2010 02:10, jerry wrote:
> On 09/10/2010 06:57 AM, Basil Chupin wrote:
>    
>> On 10/09/2010 23:07, David Fletcher wrote:
>>      
>>> I've not seen anybody else suggest it, so I will.
>>>
>>> Anybody who has a PC who is capable of rebuilding/modifying/repairing it,
>>> should have an ATX power supply tester. They're cheap, easy to use and give
>>> and instant pass/fail indication. The one I have in my hand also has probe
>>> points to check the voltages with a multimeter if you want to. For the tenner
>>> or so it cost, it's saved me a great deal of time and trouble.
>>>
>>>        
>> Such a tester is AUD45 plus delivery - which is about half the price of
>> a reasonably decent Antec PSU (although the one now under suspicion is
>> nearly 4 times that price).
>>
>>      
>>> Power supplies can go wrong in various ways. My favourite is when all the
>>> voltages are present and correct but the signal for the motherboard to boot
>>> fails to activate. I've seen several do that trick.
>>>
>>>        
>> Which is what I now suspect has occurred - the mobo will not boot if it
>> doesn't have its special feed of 12V.
>>
>>
>>      
>>> Just buy a tester, keep it handy somewhere, and one day it will pay for itself
>>> in about 5 minutes.
>>>
>>> Dave
>>>
>>>        
>>
>> The manual for the Antec states that the way to test the 12V and 5V
>> power is to stick probes into the yellow/black for 12V and red/black for
>> 5V on a Molex connector. Doing anything else may do naughty things to
>> the PSU.
>>
>> I may do the probing tomorrow.....particularly the special 12V connector
>> to the mobo which is where I think the problem may lie.
>>
>> Thanks for the suggestion.
>>
>> BC
>>
>>      
> This may be a shot in the dark but the first link sounds to me like the
> same problem as yours. The second and third explain what the power good
> is in more detail and how it is not generally considered user repairable.
> Hope this helps diagnose your problem.
>
>
> http://forums.techpowerup.com/showthread.php?t=115055
> http://www.pcguide.com/ref/power/sup/funcPowerGood-c.html
> http://books.google.com/books?id=BIplH6DHz6UC&pg=PA125&lpg=PA125&dq=repair+power+good+signal&source=bl&ots=xuaoRMBV40&sig=9VabrnYn3q46IexKRsTHgoVPqFI&hl=en&ei=AVeKTMOvAZTGsAPE7ri_BA&sa=X&oi=book_result&ct=result&resnum=1&sqi=2&ved=0CBYQ6AEwAA#v=onepage&q=repair%20power%20good%20signal&f=false
> jerry
>    

Thanks, Jerry. Most interesting and informative.

My mobo actually happens to be a Gigabyte.

I will be checking out my PSU by no later than 2 days from now (as I 
indicated in an earlier post in this list).

BC

-- 
Fact is that which enough people believe. Truth is determined by how fervently they believe it.