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What kills practically every process in the computer without shutting it down?

post #1 of 29
Thread Starter 
That's what seems to be happening to me. I'll just be going along, doing whatever (gaming, internet browsing, reading) and then the monitor will suddenly go black, you can hear all the fans in the computer slow down and a little while later the monitor will say it's lost the signal.
The HDD LED indicator light on my case stops flashing periodically (which I assume to mean it's stopped working entirely) the processor and video card fans keep running though. To make it a bit stranger, the power button loses the ability to restart the computer. Doesn't matter how long I hold it down, nothing happens. But before this little occurrence, the power button can restart the computer just fine. I end up having to flip the PSU switch off then back on, and then the PC will start just fine.
There does not seem to be any specific trigger, it seems capable of happening whenever, with the exception of when I'm not actually using the computer. My computer has never undergone this event while I was not using it, even if I leave it running for days at a time (at least until it dies while I'm using it again).

Ideas?

(I used to think this was a hardware issue, maybe with the graphics card, but now I'm onto some bit of software I've overlooked.)
post #2 of 29
Is your PC overclocked? How are temperatures?
post #3 of 29
Instability
post #4 of 29
Thread Starter 
Quote:
Originally Posted by t-ramp View Post
Is your PC overclocked? How are temperatures?
Considered that for awhile too, but speed fan generally reports my CPU/GPU and HDD in the low 30's while not gaming.
While gaming the temperatures may climb to the high 30s, rarely the low 40s for the CPU and HDD. The GPU can reach 60-70 while gaming, depending on whether I set my graphics card fun to run at a high, fixed speed or let it run dynamic. Rarely the GPU might hit ~80.
Since the issue occurs whether I'm gaming or not, I've precluded heating/cooling as the cause.

Quote:
Originally Posted by SgtMunky View Post
Instability
Vague.
post #5 of 29
Quote:
Originally Posted by SgtMunky View Post
Instability
Quote:
Originally Posted by t-ramp View Post
Is your PC overclocked? How are temperatures?
Combine the two and you have....instability caused by an overclock
 
x6 Folder
(7 items)
 
 
CPUMotherboardGraphicsRAM
i5 3570k @ 4.8 w/ 1.31v watercooled Gigabyte z77x-UD3H Powercolor 290x w/ EK full cover G.Skill Ripjaws 2133mhz cl9 4x4gb 
Hard DriveOptical DriveCoolingOS
128gb Samsung 830 + Seagate 4tb, Seagate 1tb, W... DVD RW Rasa loop w/ RX120 and RS240 Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
2x 27" PCBANK 1440p, 1x 21" 1600x1200 Syncmaster Leopold 10keyless w/ red switches XFX 750w Black Edition CM Stacker 830 
MouseMouse PadAudio
Logitech G5 SteelSeries QCK Fiio E10 USB DAC+AMP | ATH-M50 | JVC HARX700 
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x6 Folder
(7 items)
 
 
CPUMotherboardGraphicsRAM
i5 3570k @ 4.8 w/ 1.31v watercooled Gigabyte z77x-UD3H Powercolor 290x w/ EK full cover G.Skill Ripjaws 2133mhz cl9 4x4gb 
Hard DriveOptical DriveCoolingOS
128gb Samsung 830 + Seagate 4tb, Seagate 1tb, W... DVD RW Rasa loop w/ RX120 and RS240 Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
2x 27" PCBANK 1440p, 1x 21" 1600x1200 Syncmaster Leopold 10keyless w/ red switches XFX 750w Black Edition CM Stacker 830 
MouseMouse PadAudio
Logitech G5 SteelSeries QCK Fiio E10 USB DAC+AMP | ATH-M50 | JVC HARX700 
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post #6 of 29
Have you tried running a CPU stress test to see if it triggers it? Or run memtest? Just some ideas to maybe narrow it down?

D
Battlestation
(18 items)
 
Death
(15 items)
 
 
CPUMotherboardGraphicsRAM
2500k 5.2 ghz 1.38v MSI Z77A-GD65 Gaming MSI Gaming GTX 970  16 GB Corsair Vengeance 
Hard DriveHard DriveOptical DriveCooling
Corsair SSD Sandisk SSD ASUS XSPC 320 
OSMonitorMonitorMonitor
Windows 10 64 bit 24" Asus 24" Asus 24" Asus 
MonitorKeyboardPowerCase
42" Samsung  Steel Series Merc Stealth Pro Corsair AX860 Corsair 800D 
MouseAudio
Logitech G502 JBL Studio monitors 
CPUMotherboardGraphicsRAM
2600k (4.5ghz/1.33v) Asus P67 Sabertooth GeForce GTX295 8 gigs Corsair Vengence 1600mhz 
Hard DriveOptical DriveCoolingOS
2 300g Seagate Barricuda's-Raid 0 Samsung Light Scribe DVD-RW Rasa 720 RX360, Swiftech QP320, Swiftech GPU bl... Windows 7 Ultimate 64 bit 
MonitorKeyboardPowerCase
23" Acer H233H, 19" Acer AL1916W Steelseries Merc Stealth 750w Silverstone Strider Corsair 800D 
MouseAudio
Logitech G9 Crappy old Dell 2.1 
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Battlestation
(18 items)
 
Death
(15 items)
 
 
CPUMotherboardGraphicsRAM
2500k 5.2 ghz 1.38v MSI Z77A-GD65 Gaming MSI Gaming GTX 970  16 GB Corsair Vengeance 
Hard DriveHard DriveOptical DriveCooling
Corsair SSD Sandisk SSD ASUS XSPC 320 
OSMonitorMonitorMonitor
Windows 10 64 bit 24" Asus 24" Asus 24" Asus 
MonitorKeyboardPowerCase
42" Samsung  Steel Series Merc Stealth Pro Corsair AX860 Corsair 800D 
MouseAudio
Logitech G502 JBL Studio monitors 
CPUMotherboardGraphicsRAM
2600k (4.5ghz/1.33v) Asus P67 Sabertooth GeForce GTX295 8 gigs Corsair Vengence 1600mhz 
Hard DriveOptical DriveCoolingOS
2 300g Seagate Barricuda's-Raid 0 Samsung Light Scribe DVD-RW Rasa 720 RX360, Swiftech QP320, Swiftech GPU bl... Windows 7 Ultimate 64 bit 
MonitorKeyboardPowerCase
23" Acer H233H, 19" Acer AL1916W Steelseries Merc Stealth 750w Silverstone Strider Corsair 800D 
MouseAudio
Logitech G9 Crappy old Dell 2.1 
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post #7 of 29
Thread Starter 
Quote:
Originally Posted by G3RG View Post
Combine the two and you have....instability caused by an overclock
The issue has occurred while I wasn't overclocking.
post #8 of 29
I have the same problem it occurs without ocing in my bios, desktop, web browser and gaming I have been told it is a ram error on several forums. So I've been running memtest for 14 hours and I'm not exactly sure how to tell if I have errors or not so it's not helping haha
post #9 of 29
Update all your drivers, including the pc component drivers (mother board, cpu, chipset) although this could also be down to OS corruption.

Can you download ubuntu onto a usb stick and boot from that? If that runs ok for a while, it could be your windows installation
post #10 of 29
Thread Starter 
Quote:
Originally Posted by SgtMunky View Post
Update all your drivers, including the pc component drivers (mother board, cpu, chipset) although this could also be down to OS corruption.

Can you download ubuntu onto a usb stick and boot from that? If that runs ok for a while, it could be your windows installation
The problem is that it occurs randomly (or I've never found the trigger). I've gone for days without it dying on me.
Edited by Sebiale - 10/10/11 at 12:20pm
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