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It sounds like a source issue to me. &nbsp;I deal with hundreds of computers on a daily basis in school buildings. &nbsp;All it takes is erratic fluctuations in power at the source level and BAM! &nbsp;Dead PSU. &nbsp;Spend 70.00 for a good APC BackUPS and put it into the Battery Backup outlet on it. &nbsp;<br />
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If you have a digital multimeter with Min/Max you can monitor your outlets for fluctuations. &nbsp;If you're dipping down to 114VAC and up to 124VAC or higher and spikes either way you will experience this. &nbsp;<br />
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Go with the BackUPS. &nbsp;:)<br />
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Joe Jenkins
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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

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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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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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I have a Athlon 1700 PC. &nbsp;I leave it on 24/7. &nbsp;A few weeks ago it died when I was AFK for a few hours. &nbsp;I replaced it, and same result a week later. &nbsp;I replaced it again, and also the power strip. &nbsp;Died again today. &nbsp;The house I live in is very old, but the power strip &quot;Replace when not lit&quot; lights are on.<br />
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I've tried different Wattages from 400-550 in my replacement power supplies. &nbsp;Any ideas? &nbsp;Thanks in advance.
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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.

Power supplies keep dieing in same PC

A desktop computer is a personal computer designed for use at a single location due to its size and power requirements, usually by one person. The most common configuration has a case that houses the power supply, motherboard, disk storage (usually one or more hard disk drives and optical disc drives); a keyboard and mouse for input; and computer monitor and printer for output. The case may be oriented horizontally and placed atop a desk or vertically and placed underneath or beside a desk.