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  p4 socket 423 1.5 ghz help.. 
 
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The Doctor Apr 27, 2004, 03:00pm EDT Reply - Quote - Report Abuse
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I am working on a computer that the power shut off completly and randomly. I first replaced the motherboard, then the power supply. It still shuts off. I had it on for hours then out of no where, a complete power off. To get it to boot again, I have to unplug the power cord from the back for about 15 seconds. When I got it going again, I took the back of my screwdriver and gently tapped the cpu fan, and whamo, the same power off effect. It seems as if the processor would be bad. Any comments or ideas? Monitoring the cpu and system temps, they seem fine. I will try a new/different cpu, but any input would be appreciated.

JS


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mermaid ocean Apr 27, 2004, 04:48pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
I know this sounds really silly, but its all i can think of, did u take off the little sticky bit that goes under the chip to expose the paste?

The Doctor Apr 27, 2004, 05:13pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
Yes. This was a working system for 2 years now. I even tried the clean your processor and heat sink with goof off, and re apply some artic silver, and this didn't help..


mermaid ocean Apr 27, 2004, 05:25pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
is the heatsink on the right way around....i remember building a pc once and installed everything ...just a run of the mill build and had a similar prob.... when someone suggested to me the heatsink was on the wrong way I immediately dispelled it....but it turned out it was! easily done...it seems that it is a thermal prob from what u r saying...so all i can suggest is u go back to basics by troubleshooting and rechecking simple things.

mermaid ocean Apr 27, 2004, 05:27pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
ps as u know everything u got is on ur hard drive..so taking everything out bit by bit and resetting is not going to affect ur data....good luck

ROY G Apr 27, 2004, 05:29pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
Sounds like a memory prob. switch slots with sticks of ram.

The Doctor Apr 27, 2004, 08:47pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
Yes, I double checked everything again tonight, same thing. The temp seems fine, I will try the spare processor when it arrives, If it still does it, then memory, I guess. I tried moving the ram around, and tested it with memtest86, but it seems fine..

js

Shadow_Ops_Airman1 Apr 27, 2004, 08:54pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
check the temperatures, u may also want to blow the dust out of the system.

AMD Athlon XP-M 2500+ (133x14= 1867MHz) (209x11= 2299MHz)
DFI LP NF2 Ultra-B (Hellfire 3EG Rev2)
Antec SX800, Neo HE 500, 4 Antec 8CM Fans
Thermalright SI-97 1 Antec Tricool 12CM Fan
CL SB XFi Xtreme Music
2x Barracuda HDs (250/400)
2x Samsung Write
The Doctor Apr 28, 2004, 12:22pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
I didn't get the cpu to try yet, but I thought about the chasis being bad... Something in the wiring of the case or the switches, that would make sense, no?

-js

mermaid ocean Apr 29, 2004, 04:41pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
Have u tried unplugging all the cables taking out memory and only having your cpu and heatsink connected.
If that works ok for a while then add memory. and so on and so forth with hardware.

The Doctor Apr 29, 2004, 08:12pm EDT Reply - Quote - Report Abuse
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>> Re: p4 socket 423 1.5 ghz help..
Yes, I only have the cpu, power and memory plugged in at this point. You need memory to operate the computer, it will not run without it. I also have unplugged all the switches from the case, I jumpered the power on, so I could turn it on via the power supply, same result. It simply has to be the cpu or memory. I'll try the cpu when it gets here. I'll keep all interested updated..

-js


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