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My machine shuts completely off randomly

post #1 of 15
Thread Starter 
The machine in my sig continuously shuts off as if the power has gone out. It is random also and happens sometimes after days of being on and sometimes minutes after finishing startup. What could cause this? Power supply maybe?

"KB"
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Rig 2 -- 4/2007
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 E0 Asus P5Q Pro nVidia GTX 260 4GBs OCZ Reaper DDR2 800 
Hard DriveOptical DriveOSMonitor
SG 320B + 2 * 320 SG RAID0 Plextor DVD Windows 7 Ultimate Dual SyncMaster 205BW 
KeyboardPowerCaseMouse
G15 TT 750W ToughPower Fatality G5 
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F10.s 
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post #2 of 15
power supply/ram
can you reboot right away could be heat too
post #3 of 15
Sounds like psu, double check your cpu temps, might be an issue.
post #4 of 15
Its the ram. Are you using 2x2gb or 4x1gb? If its 4x1 its been a known issue. If its 2x2gb its the psu. Tear eevrything apart and make sure the wires are attached tightly
post #5 of 15
Quote:
Originally Posted by Kyle918 View Post
The machine in my sig continuously shuts off as if the power has gone out. It is random also and happens sometimes after days of being on and sometimes minutes after finishing startup. What could cause this? Power supply maybe?

"KB"
+1 that it's the PSU. Test with another one if possible, and check via Everest what the voltage on the rails is.
Brick Sh*thouse
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Brick Sh*thouse
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LG 12.5" 1366x768 IPS Lenovo Keyboard Lenovo 90W AC Adapter Lenovo X Series ThinkPad Chassis 
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post #6 of 15
I've had this problem with Ram check and make sure you're using the correct voltages
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Money Snatcher
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post #7 of 15
I've never seem ram problem cause total shutdown (loss of power). Lockups yeah, pwr off not in my experiences. Not saying it does't happen though.
post #8 of 15
Thread Starter 
Thanks for all the instant replies. It is 4*1 for the RAM. I will check the voltages and set to defaults as my first attempt to fix since its the easiest.

"KB"
Rig 2 -- 4/2007
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 E0 Asus P5Q Pro nVidia GTX 260 4GBs OCZ Reaper DDR2 800 
Hard DriveOptical DriveOSMonitor
SG 320B + 2 * 320 SG RAID0 Plextor DVD Windows 7 Ultimate Dual SyncMaster 205BW 
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G15 TT 750W ToughPower Fatality G5 
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Rig 2 -- 4/2007
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 E0 Asus P5Q Pro nVidia GTX 260 4GBs OCZ Reaper DDR2 800 
Hard DriveOptical DriveOSMonitor
SG 320B + 2 * 320 SG RAID0 Plextor DVD Windows 7 Ultimate Dual SyncMaster 205BW 
KeyboardPowerCaseMouse
G15 TT 750W ToughPower Fatality G5 
Mouse Pad
F10.s 
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post #9 of 15
Quote:
Originally Posted by Kyle918 View Post
The machine in my sig continuously shuts off as if the power has gone out. It is random also and happens sometimes after days of being on and sometimes minutes after finishing startup. What could cause this? Power supply maybe?

"KB"
A PSU shutting randomly off with no BSOD is 99.9% of the time a faulty PSU.

It could be temps as well... I'd check your GPU/CPU temps. You should check your NB/SB temps in your bios too.
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The Leviathan
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4x Klipsch RS-62 (Surround Speakers) Klipsch RC-64 (Center Speaker) 4x Klipsch CDT-5800-C II (Atmos Speakers) 2x SVS PB16-Ultra (Subwoofers) 
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post #10 of 15
Thread Starter 
Also, the CPU and GPU r water cooled with 1/2 tubing and a pump from DD and the temps are on target in BIOS and the water is flowing. The NB and SB chip r OCed slightly and can be overheating so I will just set those to normal and see if the problem persist.

"KB"
Rig 2 -- 4/2007
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 E0 Asus P5Q Pro nVidia GTX 260 4GBs OCZ Reaper DDR2 800 
Hard DriveOptical DriveOSMonitor
SG 320B + 2 * 320 SG RAID0 Plextor DVD Windows 7 Ultimate Dual SyncMaster 205BW 
KeyboardPowerCaseMouse
G15 TT 750W ToughPower Fatality G5 
Mouse Pad
F10.s 
  hide details  
Reply
Rig 2 -- 4/2007
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 E0 Asus P5Q Pro nVidia GTX 260 4GBs OCZ Reaper DDR2 800 
Hard DriveOptical DriveOSMonitor
SG 320B + 2 * 320 SG RAID0 Plextor DVD Windows 7 Ultimate Dual SyncMaster 205BW 
KeyboardPowerCaseMouse
G15 TT 750W ToughPower Fatality G5 
Mouse Pad
F10.s 
  hide details  
Reply
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