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System shutdown (possible PSU fail ? )

Last response: in Components
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December 9, 2012 11:44:21 AM

The system has 10 days. It is widely used in media applications (3ds Max, Adobe CS etc.) and sometimes it's left overnight "to render".

Specs :

Chassis : NZXT Lexa S, 4 Fans : 3x 120mm, 1x140mm;
PSU : Thermaltake TR2 RX, 450W;
MB : MSI B75A-G43 (BIOS up to date);
Processor : Intel Core i3-3220, Ivy Bridge, 3.3GHz, LGA 1155;
Memmory : Dual kit, Kingston HyperX Predator 8G (2x4G) DD3, 1600Mhz, CL9
Video Card : ATI Sapphire Radeon HD 6670, 1GB GDDR 5
Sound Card : Creative Audigy SE 7.1/PCI Bulk
HDD : 2 x WD Blue, 500GB (one is brand new, the other is from the old system)
OS : Windows 7 Ultimate, SP1 - 64bit



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The Problem

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The PC went off this morning, then on, but only for 5 seconds. I couldn't turn it on again so I removed the power cord, and after 5 minutes I tried the power button again: the system started up, went into Windows, but after 5 minutes it shutted down again. I could only restart it after, again, i removed the power cord from the PSU and let it rest for a bit. Once started I checked BIOS to for temperatures and voltage, everything was ok but after a couple of minutes it shutted down again.

The only thing i changed in BIOS, is the memory settings. They were automatically set to 1300. I loaded the XMP profile and set the speed to 1600.

It is worth mentioning that when I was in Windows, the system didn't suddenly go off (like a power cut) but more like a force shutdown from windows. It's because of this i have doubts it is the PSU to blame... or maybe it is. Everything was running smoothly with no problems until this morning :fou: 

PS : when the PC shutted down the first time, there was no power outage.


LE : i rebooted my sys and checked the eventlog in Windows ... i am a bit stunned


-----------------------------------------------------------------------
EventID 41

Version 2
Level 1
Task 63
Opcode 0
Keywords 0x8000000000000002
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.


-----------------------------------------------------------------------

EventID 89

Version 0

Level 4

Task 86

ACPI thermal zone ACPI\ThermalZone\TZ01 has been enumerated.
_PSV = 379K
_TC1 = 1
_TC2 = 5
_TSP = 1000ms
_AC0 = 0K
_AC1 = 0K
_AC2 = 0K
_AC3 = 0K
_AC4 = 0K
_AC5 = 0K
_AC6 = 0K
_AC7 = 0K
_AC8 = 0K
_AC9 = 0K
_CRT = 379K
_HOT = 0K
_PSL - see event data.


-----------------------------------------------------------------------

Overheating ?!


This is what i get from SpeedFan :



and just for kicks CPUz :




LE 2 : 30 minutes up. So far, so good...
a b ) Power supply
December 9, 2012 2:02:52 PM

I'd say the power supply, next time don't skimp on the power supply. If you need help selecting a power supply let me know, I will be glad to assist :) 

!