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powering off no reason

post #1 of 6
Thread Starter 
im building this computer here and occasionally it instantly powers off for no reason. did some troubleshooting last night and found dimm Volt too low but it did it again after awhile. monitoring voltages and temps with AIDA and speedfan noticed 2 things

1= cpu voltage = 1.39 so added to volt with bios maxed only goes up to 1.460 aida says this cpu(northwood) operates between 1.475 and 1.55V

2= also noticed temp sensor readings(cpu on aida and temp 3 on speedfan) is jumping all over the place sometimes even negative degrees

could either of these be causing an emergency shutdown no throttling occurs and temps in reality are cool

could really use some input spent at last 30 hours this week on this problem
anything at all !!! thanks
My System
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CPUMotherboardOSMonitor
Intel P4 2.8 800FSB S478 ECS P4M800PRO-M478 2k PRO 17" lcd 
PowerCase
450W COOLMAX amamax.com 
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My System
(13 items)
 
  
CPUMotherboardOSMonitor
Intel P4 2.8 800FSB S478 ECS P4M800PRO-M478 2k PRO 17" lcd 
PowerCase
450W COOLMAX amamax.com 
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post #2 of 6
1.39v is fine for something that isnt overclocked...and you said you turned off throttling right? you should just trust speedfan, I dont know what the hell this AIDA crap is...

did you ever get the video card working?
My System
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CPUMotherboardOSMonitor
Athlon 64 3700+ @ 3.0 DFI lan P UT Ultra-D Win XP Pro liquidvideo 17" LCD 
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a wal mart one truepower 2 550W Sunbeam Transformer razer diamondback 
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My System
(13 items)
 
  
CPUMotherboardOSMonitor
Athlon 64 3700+ @ 3.0 DFI lan P UT Ultra-D Win XP Pro liquidvideo 17" LCD 
KeyboardPowerCaseMouse
a wal mart one truepower 2 550W Sunbeam Transformer razer diamondback 
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post #3 of 6
Quote:
Originally Posted by titaniumdragon
im building this computer here and occasionally it instantly powers off for no reason. did some troubleshooting last night and found dimm Volt too low but it did it again after awhile. monitoring voltages and temps with AIDA and speedfan noticed 2 things

1= cpu voltage = 1.39 so added to volt with bios maxed only goes up to 1.460 aida says this cpu(northwood) operates between 1.475 and 1.55V

2= also noticed temp sensor readings(cpu on aida and temp 3 on speedfan) is jumping all over the place sometimes even negative degrees

could either of these be causing an emergency shutdown no throttling occurs and temps in reality are cool

could really use some input spent at last 30 hours this week on this problem
anything at all !!! thanks
Take a really close look at your psu. Who makes it,btw?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 2500k Asus P8P67 Galaxy GTX580 8GB G Skill Ripjaws 
Hard DriveOSMonitorKeyboard
Intel 80 gb SSD, Raptor 150 Windows 7 Home Premium 24" Samsung LCD Saitek Eclipse 
PowerCaseMouse
PCP&C 750W Antec P180 Logitech MX-510 blue 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 2500k Asus P8P67 Galaxy GTX580 8GB G Skill Ripjaws 
Hard DriveOSMonitorKeyboard
Intel 80 gb SSD, Raptor 150 Windows 7 Home Premium 24" Samsung LCD Saitek Eclipse 
PowerCaseMouse
PCP&C 750W Antec P180 Logitech MX-510 blue 
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post #4 of 6
IF the temps are shown to be fluctuating madly then the sensor may be fuxored. do the temp also go upto the very high end of the scale? if the sensor thinks your CPU is hitting like 100c+ then that would be why its turning it off

EDIT: give me rep please =(
2011 ~ Current
(16 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600K Asus P8P67 Pro B3 EVGA GTX970 FTW+ G.Skill 8GB RipJaws 
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2x 500GB WD Black RAID 0 1TB WD Black Samsung WriteMaster Prolima Tech Megahalems 
OSMonitorKeyboardPower
Windows 7 Home Premium ViewSonic 22" VX2260wm Saitek Eclipse II Seasonic X-660 
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ThermalTake Armor Silver Logitech G5 Sharkoon Asus Xonar D1 
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2011 ~ Current
(16 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600K Asus P8P67 Pro B3 EVGA GTX970 FTW+ G.Skill 8GB RipJaws 
Hard DriveHard DriveOptical DriveCooling
2x 500GB WD Black RAID 0 1TB WD Black Samsung WriteMaster Prolima Tech Megahalems 
OSMonitorKeyboardPower
Windows 7 Home Premium ViewSonic 22" VX2260wm Saitek Eclipse II Seasonic X-660 
CaseMouseMouse PadAudio
ThermalTake Armor Silver Logitech G5 Sharkoon Asus Xonar D1 
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post #5 of 6
noxious, dont beg for reps its against the rules.

second, we are using another thread.
My System
(13 items)
 
  
CPUMotherboardOSMonitor
Athlon 64 3700+ @ 3.0 DFI lan P UT Ultra-D Win XP Pro liquidvideo 17" LCD 
KeyboardPowerCaseMouse
a wal mart one truepower 2 550W Sunbeam Transformer razer diamondback 
  hide details  
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My System
(13 items)
 
  
CPUMotherboardOSMonitor
Athlon 64 3700+ @ 3.0 DFI lan P UT Ultra-D Win XP Pro liquidvideo 17" LCD 
KeyboardPowerCaseMouse
a wal mart one truepower 2 550W Sunbeam Transformer razer diamondback 
  hide details  
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post #6 of 6
That rebooting could also happen because of a ONE single module not working properly. It may be a faulty memory module or a memory dimm.
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