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Dell XPS 435mt Shutting off

post #1 of 3
Thread Starter 
The reason I posted this in intel is because it has an Intel i7 720 chip. The PC shuts off randomly at various times. Many times before it even gets into Windows.

I have tried the following":

New PSU
Taking out GPU (ATI 4850)
Trying 1 stick of RAM at a Time
Running Memtest (turned off at various times of the test)
Running various diagnostic tests
Replacing thermal paste and reseating the heatsink.


The BIOS of this PC doesn't have a hardware monitor so I can't tell what the temperature is of the CPU but it seems as if the mobo northbridge is overheating and not the CPU, or maybe the mobo is faulty since all the diagnostic tests usually passed all the CPU stages.
My One and Only
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My One and Only
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post #2 of 3
If MemTest 'turned off at various times of the test,' then I'd look to memory as the most likely culprit. Do you have a proven, error-free DIMM that you can install to try? Any more information than 'PC shuts off randomly at various times' would be helpful, as well.
Windy
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Windy
(17 items)
 
Full Auto GPU-O
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7 970 B1 @ 4.25GHz EVGA X58 Classified 3 (E770) EVGA GTX 970 SSC 24GB Corsair XMS3 
Hard DriveHard DriveHard DriveOptical Drive
Crucial M500 120GB Crucial M4 256GB Samsung Spinpoint F3 1TB (2) LG BD-RW 
CoolingOSMonitorKeyboard
Corsair H50 w/Scythe SFF21F Windows 10 Home Premium 64-bit Dell S2740L Deck Legend 105 - Fire / Linear 
PowerCaseMouseMouse Pad
Corsair AX 750 Soldam Windy Black Knight Mionix Avior 8200 Rocketfish Speed 
Audio
Creative Soundblaster XTreme Audio 
CPUMotherboardGraphicsRAM
i3 540 Asus P7H55-M-PRO EVGA GTX 1070 FTW2 iCX 4GB Corsair DDR3-1600 
Hard DriveHard DriveOptical DriveOS
256GB Samsung 850 Pro 640GB Western Digital Caviar Black Lite-On CD/DVD Burner Linux Mint 18.1 
OSMonitorKeyboardPower
Windows 7 Home Premium 64-bit Samsung 2333HD Deck Legend 105 - Ice EVGA Supernova 650W P2 
CaseMouseMouse Pad
Lian Li Velocity Micro Custom Logitech G500 Rocketfish Speed 
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post #3 of 3
Sounds like mobo issue. Check it for leaking capacitors.
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i7 Beast
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Optical DriveCoolingOSMonitor
LG GSA-H30N Noctua NH-D14 Window 10 Pro 24" ViewSonic XG2401 Black 
KeyboardPowerCaseMouse
Gigabyte Aivia K8100 Corsair AX750 Cooler Master Dominator CM-690 II Advanced A4tech Bloody V7 V-Track Core 2 
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