It is a 350W PSU in the machine and yes the video card is using a 4 pin
molex plug from the PSU, 1 optical, floppy and hard drive
The motherboard is a ASUS P5VDC-MX

Now I have started the computer again and the screen has gone blank


"R. McCarty" <PcEngWork-NoSpam_@mindspring.com> wrote in message
news:eZFP2JTkIHA.5660@TK2MSFTNGP02.phx.gbl...
> Supplies are fairly inexpensive. What Wattage rating supply is in
> the PC currently. Also how many physical drives, Optical Drives
> and does it have any type of High End Video card ( 512+ Megs
> of Video RAM ). Gaming Video cards exhibit a very high load
> on a PC's supply.
>
> Power Supply quality is all over the map, so if you decide to get
> a new supply don't buy the cheapest unit on the shelf and be sure
> it's compatible with your specific motherboard. Not many things
> worse than a return trip to the store to get a swap for the correct
> part.
>
>
> "Clayton" <claytonbNOSPAM@xtra.co.nz> wrote in message
> news:uou9qDTkIHA.3636@TK2MSFTNGP02.phx.gbl...
>> It's a friends computer he had dropped off to me so it is happenning at
>> his place and mine, just wondering if I should swap out the PSU or
>> motherboard?
>>
>> "R. McCarty" <PcEngWork-NoSpam_@mindspring.com> wrote in message
>> news:ei6eCBTkIHA.4480@TK2MSFTNGP03.phx.gbl...
>>> Use your BIOS setup category called hardware monitoring to
>>> display the voltage rails of your PC. Most times you can see
>>> problems ( or pending ) if the values are close the +/- tolerances.
>>>
>>> Whenever you turn on a device it experiences a "InRush Current"
>>> which is a momentary spike. If your supply is marginal that spike
>>> may have caused the PS to abruptly shut down. Usually a rated
>>> voltage can have a +/-5% range in a PC.
>>>
>>> "Clayton" <claytonbNOSPAM@xtra.co.nz> wrote in message
>>> news:uRw%2315SkIHA.3940@TK2MSFTNGP05.phx.gbl...
>>>> sorry, I should have mentioned, it has happenned 3 other times over the
>>>> last 6 months
>>>>
>>>>
>>>> "PD43" <pauld1943@comcast.net> wrote in message
>>>> news:3isqu3tmmvopcbjm8rft8u4esamjgqc32o@4ax.com...
>>>>> "Clayton" <claytonbNOSPAM@xtra.co.nz> wrote:
>>>>>
>>>>>>I am having problems with a computer, this morning I turned on the
>>>>>>computer
>>>>>>and once at the login screen as I am logging on the computer switches
>>>>>>off, I
>>>>>>have restarted again and it is fine, PSU problem?
>>>>>
>>>>> Wait to see if the problem continues.
>>>>>
>>>>> One instance isn't worth worrying about.
>>>>
>>>
>>>
>>
>
>