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Computer shuts down on its own & won't turn on for awhile

Tags:
  • Power Supplies
  • Computers
  • Components
  • Motherboards
Last response: in Components
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July 12, 2014 8:17:07 AM

My computer has been shutting down on its own for awhile now & seems to get worse & worse. It mainly shuts down on processing intensive applications like games but will also shut down when I'm just watching youtube. It seems like the more processing intensive the app the quicker the computer shuts down. When I try and turn it back on it flashes on for a second & then cuts off. I am then unable to turn it back on until the motherboard lights come on which takes a few seconds. I then have like a 2 second window to turn it on or it will immediately turn off again. If I miss this 2 second window it takes longer & longer for the motherboard lights to come on to try and turn it on again. At this point if I get it running I have a limited amount of time to use the PC before it shuts down again. Every time it cuts off on its own I have a smaller and smaller amount of time to use the PC before it shuts off again. If I do this enough it won't even last through the BIOS.

Now if I unplug my PC for a long while (I'd say at least 12 hours) I can again use my PC & even game for longer periods of time before it starts to cut off & the cycle repeats again. The longer I leave the PC unplugged the longer usage time I get before it starts cutting off.

I've been running HWMonitor managed to do a save a few minutes before it turned off. This is while I was gaming. I've left most of the log out as it was really huge. From what I've read on forums it seems like it could be a lot of things but mainly heat or power supply. Hoping someone can help me narrow it down so I don't have to do something like buy a new power supply if I don't have to. Any help would be appreciated thank you. The log:

CPUID HWMonitor Report
-------------------------------------------------------------------------

Hardware Monitors
-------------------------------------------------------------------------

Hardware monitor Nuvoton NCT6776
Voltage 0 1.46 Volts [0xB7] (CPU VCORE)
Voltage 1 12.10 Volts [0x7E] (+12V)
Voltage 2 3.28 Volts [0xCD] (AVCC)
Voltage 3 3.28 Volts [0xCD] (+3.3V)
Voltage 4 4.96 Volts [0x7C] (+5V)
Temperature 0 33°C (91°F) [0x21] (Mainboard)
Temperature 2 42°C (107°F) [0x54] (CPU socket)
Temperature 3 42°C (107°F) [0x2A] (CPU)
Fan 1 1347 RPM [0x543] (CPUFANIN)
Fan 2 1339 RPM [0x53B] (AUXFANIN0)
Hardware registers
Register space LPC, base address = 0x0290


Hardware monitor NVIDIA NVAPI
Voltage 0 0.99 Volts [0x3DB] (VIN0)
Temperature 0 60°C (140°F) [0x3C] (TMPIN0)
Fan 0 2370 RPM [0x942] (FANIN0)
Fan PWM 0 45 pc [0x2D] (FANPWMIN0)


Processors
-------------------------------------------------------------------------

Number of processors 1
Number of threads 8

Timers
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ACPI timer 3.580 MHz
HPET timer 14.318 MHz
Perf timer 3.516 MHz
Sys timer 1.000 KHz

Processors Information
-------------------------------------------------------------------------

Processor 1 ID = 0
Number of cores 4 (max 16)
Number of threads 8 (max 32)
Name Intel Core i7 3820
Codename Sandy Bridge-E
Specification Intel(R) Core(TM) i7-3820 CPU @ 3.60GHz
Package (platform ID) Socket 2011 LGA (0x2)
CPUID 6.D.7
Extended CPUID 6.2D
Core Stepping C2
Technology 32 nm
TDP Limit 130 Watts
Tjmax 100.0 °C
Core Speed 4299.0 MHz
Multiplier x Bus Speed 43.0 x 100.0 MHz
Rated Bus speed 3199.3 MHz
Stock frequency 3600 MHz
Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES, AVX
L1 Data cache 4 x 32 KBytes, 8-way set associative, 64-byte line size
L1 Instruction cache 4 x 32 KBytes, 8-way set associative, 64-byte line size
L2 cache 4 x 256 KBytes, 8-way set associative, 64-byte line size
L3 cache 10 MBytes, 20-way set associative, 64-byte line size
FID/VID Control yes


Turbo Mode supported, enabled
Max non-turbo ratio 36x
Max turbo ratio 57x
Max efficiency ratio 12x
Min Power 40 Watts
O/C bins +6
Ratio 1 core 57x
Ratio 2 cores 57x
Ratio 3 cores 57x
Ratio 4 cores 57x
TSC 3600.2 MHz
APERF 4299.9 MHz
MPERF 3599.9 MHz

Graphic APIs
-------------------------------------------------------------------------

API NVIDIA I/O
API NVIDIA NVAPI

Display Adapters
-------------------------------------------------------------------------

Display adapter 0
Name NVIDIA GeForce GTX 680
Board Manufacturer GIGABYTE Technology
Revision A2
Codename GK104
Technology 28 nm
PCI device bus 1 (0x1), device 0 (0x0), function 0 (0x0)
Vendor ID 0x10DE (0x1458)
Model ID 0x1180 (0x3551)

More about : computer shuts turn awhile

a b ) Power supply
a c 169 V Motherboard
July 12, 2014 8:26:54 AM

From the symptoms you describe I would rule out the PSU so that leaves overheating (especially since the longer you leave it turned off, the longer you can use it when you turn it back on). System is designed to shut down suddenly when overheating is detected in order to prevent permanent damage to the motherboard and processor.

Check that all the fans are running, and if there's a lot of dust build-up in there, blast it out with a can of compressed air, especially any dust accumulated inside the fans, on the processor heatsink, and in the cooling vents on the case.
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July 13, 2014 8:27:56 AM

Phillip Corcoran said:
From the symptoms you describe I would rule out the PSU so that leaves overheating (especially since the longer you leave it turned off, the longer you can use it when you turn it back on). System is designed to shut down suddenly when overheating is detected in order to prevent permanent damage to the motherboard and processor.

Check that all the fans are running, and if there's a lot of dust build-up in there, blast it out with a can of compressed air, especially any dust accumulated inside the fans, on the processor heatsink, and in the cooling vents on the case.


Hi thanks! I had checked the fans - they are all running. There was almost no dust inside, but I blasted compressed air throughout & through the vents. The processor is water cooled, & I had made sure that was screwed in snug. I would have thought it was heat, but the fact that it has trouble turning on even after being turned off for 12 hours makes me wonder if it isn't something else. It seems like the video card gets hotter than anything else. It read 60 Celsius before the computer shut down - don't know if that's hot for a video card.
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August 4, 2014 9:04:54 AM

wel i depens whitch grapic card most can handel 60 c pritty wel try chaning the termal past on you cpu
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