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Former rock solid PC starting to freeze

post #1 of 3
Thread Starter 
My rig is about 18 months old and it runs 24/7 in Linux (99% of the time). In the last three days it froze on me twice while web browsing, requiring a hard reset. A still image remains and my fans still run, but my audio cuts out and I can't use my mouse or keyboard.

The 2nd time it happened I went into the bios and loaded optimized defaults to rule out an overclock issue (slowed RAM to 1333mhz 9-9-9-27). After saving the motherboard didn't post, requiring another hard reset. I started up again and noticed the auto settings changed to 1066mhz 7-7-7-24.

What can be causing this strange behavior? Recent upgrades:

2 months ago - Upgraded graphics to Geforce 460.
3 months ago - Added 2 sticks of ram and loosened timings by 1.
4 months ago - Switched to current Corsair power supply.
Bob Saget
(14 items)
 
  
CPUMotherboardGraphicsRAM
2500K Asrock Extreme4 Gen3 Integrated 8GB G.Skill Ripjaws CL9 1866Mhz 
Hard DriveOSMonitorKeyboard
60GB OCZ Vertex 2 + 1TB Samsung Spinpoint F3 (2x) Windows 7 x64 Samsung T240 + Acer X223Wbd ABS M1 
PowerCaseMouseAudio
Seasonic X-560 HAF X Logitech G5 X-Fi Xtremegamer 
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Bob Saget
(14 items)
 
  
CPUMotherboardGraphicsRAM
2500K Asrock Extreme4 Gen3 Integrated 8GB G.Skill Ripjaws CL9 1866Mhz 
Hard DriveOSMonitorKeyboard
60GB OCZ Vertex 2 + 1TB Samsung Spinpoint F3 (2x) Windows 7 x64 Samsung T240 + Acer X223Wbd ABS M1 
PowerCaseMouseAudio
Seasonic X-560 HAF X Logitech G5 X-Fi Xtremegamer 
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post #2 of 3
Have you tried resetting CMOS?
MiniCaptein
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7 7700K MSI Z270I Gaming Pro Carbon AC mITX EVGA GTX980Ti SC+ 2x8GB G.Skill Ripjaws V 3200MHz 16-16-16-36 
Hard DriveHard DriveHard DriveCooling
120GB Samsung 840 EVO 500GB Samsung Spinpoint F3 (Storage) 2TB WD Caviar Black (Games) Corsair H80i 
OSMonitorKeyboardPower
Win7 Home Premium 64bit Dell U2711 2560x1440 60Hz Das Keyboard 4 Cherry Brown Seasonic X-Series 750W 
CaseMouseMouse Pad
Corsair Obsidian 250D Razer Taipan Razer Goliathus Fragged Extended Speed Edition 
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MiniCaptein
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7 7700K MSI Z270I Gaming Pro Carbon AC mITX EVGA GTX980Ti SC+ 2x8GB G.Skill Ripjaws V 3200MHz 16-16-16-36 
Hard DriveHard DriveHard DriveCooling
120GB Samsung 840 EVO 500GB Samsung Spinpoint F3 (Storage) 2TB WD Caviar Black (Games) Corsair H80i 
OSMonitorKeyboardPower
Win7 Home Premium 64bit Dell U2711 2560x1440 60Hz Das Keyboard 4 Cherry Brown Seasonic X-Series 750W 
CaseMouseMouse Pad
Corsair Obsidian 250D Razer Taipan Razer Goliathus Fragged Extended Speed Edition 
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post #3 of 3
Run a memtest.
 
Media Server
(12 items)
 
 
CPUMotherboardGraphicsGraphics
i7 4770K MSI Z97S Krait XFX RX 480 Black Edition XFX RX 480 Black Edition 
RAMHard DriveHard DriveOptical Drive
G.Skill Trident X 2666mhz Intel 530 Sandisk Extreme Pro LG WH14NS40 
Optical DriveCoolingOSMonitor
LG WH16NS40 Noctua NH-D14 Win 10 64-Bit BenQ XL2730Z 
KeyboardPowerCaseMouse
Logitech G710+ Seasonic Platinum 1000w Fractal Design R5 Zowie FK1+ 
Mouse PadOtherOther
XTrac Ripper XXL  4 x Vardar F-4 120mm (2x NH-D14, 2x Bottom Intake) 3 x Vardar F-3 140mm Intake (two front, one side) 
CPUMotherboardGraphicsRAM
Intel Celeron J1800 QNAP Proprietary  Intel HD Graphics Crucial 8GB Kit 
Hard DriveHard DriveHard DriveHard Drive
4TB Western Digital Red Pro 4TB Western Digital Red Pro 4TB Western Digital Red Pro 4TB Western Digital Red Pro 
CoolingOSPowerCase
Stock Embedded Linux External, 96 W, 100-240 V TS-451 
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Media Server
(12 items)
 
 
CPUMotherboardGraphicsGraphics
i7 4770K MSI Z97S Krait XFX RX 480 Black Edition XFX RX 480 Black Edition 
RAMHard DriveHard DriveOptical Drive
G.Skill Trident X 2666mhz Intel 530 Sandisk Extreme Pro LG WH14NS40 
Optical DriveCoolingOSMonitor
LG WH16NS40 Noctua NH-D14 Win 10 64-Bit BenQ XL2730Z 
KeyboardPowerCaseMouse
Logitech G710+ Seasonic Platinum 1000w Fractal Design R5 Zowie FK1+ 
Mouse PadOtherOther
XTrac Ripper XXL  4 x Vardar F-4 120mm (2x NH-D14, 2x Bottom Intake) 3 x Vardar F-3 140mm Intake (two front, one side) 
CPUMotherboardGraphicsRAM
Intel Celeron J1800 QNAP Proprietary  Intel HD Graphics Crucial 8GB Kit 
Hard DriveHard DriveHard DriveHard Drive
4TB Western Digital Red Pro 4TB Western Digital Red Pro 4TB Western Digital Red Pro 4TB Western Digital Red Pro 
CoolingOSPowerCase
Stock Embedded Linux External, 96 W, 100-240 V TS-451 
  hide details  
Reply
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