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ATX 4 pin issue
Name: Wanda NEwby (by mcmama96) Date: January 22, 2009 at 10:42:56 Pacific OS: Windows XP CPU/Ram: 512 MB Product: Hewlett-packard / M1080n Subcategory: General
Comment:
The computer wouldn't come on. I have done some trouble shooting and come up with this: The power supply seems good. It wouldn't come on so I tracked it down to this: --With everything plugged in, no light or fan on the power supply. If I disconnect the 24 pin adapter from the motherboard, the green power light comes on, only. If I reconnect the 24 pin and disconnect the atx 4 pin from the motherboard, power lights and fans come on. I can't find out what that plug does or how I can fix this issue short of changing out the motherboard. Am I correct? What else can I do? Your help is appreciated!!! THank you Wanda
Name: jam Date: January 22, 2009 at 14:21:50 Pacific
Reply:
The square ATX12V 4-pin plug supplies power to the processor.
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Response Number 2
Name: Wanda NEwby (by mcmama96) Date: January 22, 2009 at 15:33:06 Pacific
Reply:
Thank you for answering. so this is probably telling me the processor is bad, correct? If so, better to just change the processor. It is an intel pent 3.2 GHZ.iM/800, SL7j7 hyperthreading. I can't seem to locate one that is not an arm and a leg! Unless it is used...Not sure that is good. I can't find anywhere that tells me what I could replace it with that would be comparable. Ideas anyone? THANKS!!!!
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Response Number 3
Name: SkipCox Date: January 22, 2009 at 15:49:37 Pacific
Reply:
jam said it supplies power to the processor, not that the processor is bad. In addition, your processor uses about 7 amps of 12 volt power...that's quite a bit.
I'd suspect a failing power supply...is it a Bestec 300 watt with 19a on the +12v rail?
Skip
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Response Number 4
Name: Wanda NEwby (by mcmama96) Date: January 22, 2009 at 20:01:41 Pacific
Reply:
Well, I maybe should have worded that different. But I understand what you are saying. I do have another power supply. So I will give it a try and see what happens. If you have other thoughts, please let me know. Thank you.
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Response Number 5
Name: Wanda NEwby (by mcmama96) Date: January 23, 2009 at 05:57:28 Pacific
Reply:
ok, I plugged in a new power supply. Again, the same thing. If I plug in the 24 pin on the motherboard and leave the ATX unplugged, the fan on the power supply comes on. I plug in the ATX and the fan on the power supply does not come on. Ideas? THANKS Wanda
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