Power supplies keep dieing in same PC

Posted on 2006-05-09
Last Modified: 2010-04-25
I have a Athlon 1700 PC.  I leave it on 24/7.  A few weeks ago it died when I was AFK for a few hours.  I replaced it, and same result a week later.  I replaced it again, and also the power strip.  Died again today.  The house I live in is very old, but the power strip "Replace when not lit" lights are on.

I've tried different Wattages from 400-550 in my replacement power supplies.  Any ideas?  Thanks in advance.
Question by:kepro
    LVL 5

    Expert Comment

    by:Joe Jenkins
    It sounds like a source issue to me.  I deal with hundreds of computers on a daily basis in school buildings.  All it takes is erratic fluctuations in power at the source level and BAM!  Dead PSU.  Spend 70.00 for a good APC BackUPS and put it into the Battery Backup outlet on it.  

    If you have a digital multimeter with Min/Max you can monitor your outlets for fluctuations.  If you're dipping down to 114VAC and up to 124VAC or higher and spikes either way you will experience this.  

    Go with the BackUPS.  :)

    Joe Jenkins
    LVL 11

    Accepted Solution

    really 'nasty' issue,some points which could probably help:

    1) try to get a power strip with master-slave function/surge protector:

    2)if you want to buy a new PSU,buy a good one with an Active PFC and enough 'combined power';some suggestions:
    Seasonic S12-500W


    ENERMAX Liberty ELT500AWT ATX12V 500W Power Supply:

    Antec NeoPower NeoHE 550 ATX12V 550W Power Supply

    COOLMAX CW-650T EPS12V 650W Aluminum ATX v2.01 APFC Power Supply w/ "SLI":

    OK,you'll spend more money on quality parts ,but at least you know that i should be good and stable working;
    buy a PSU with two fans!

    3)check out that you have the needed good cooling of your chasis and beware of 'dust bunnies':
    -buy a big atx case
    -put couple of good coolers so you can get the needed air cooling in your case(very importaint for you PSU[if case hot =>PSU gets more hotter and must blow  the whole heat out from your case=>PSU kaputt] and stability of work of your PC system)
    -check out these reviews::
    4)could be also you have :
    -moisture in your room
    -bad power cable
    -somekind of hardware conflicts on your system ,which could exhaust your PSU(but let's hope not)

    5)read also these articles:

    Good luck!
    LVL 14

    Expert Comment

    it could also be that your mobo has the issue in that it may be shorting out the psu, so try replacing that, or try moving all devices to another box to see if they run fine attached to another pc without the old mobo

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