PC Keeps Restarting Randomly Finally Solved | Corsair CX750M Power Supply Problems
PC Keeps Restarting Randomly Finally Solved | Corsair CX750M Power Supply Problems. Today I will show you how to troubleshoot a PC which keeps restarting. The Power supply Unit from Corsair CX750M seems to be the culprit. 3 Videos ago I mentioned that my GP was dying as my PC kept crashing and restarting during Video Editing and some GPU benchmarks. Shortly afterwards I posted a retraction on the YouTube community tab to say that my initial assessment was wrong, do not think my GPU is dying, and my PC will demand further testing.
You guys may know my Troubleshoot series where we look at what may prevent a PC from turning on, or if it does turn on with led lights and fan spinning but no display on the monitor, and that should be evidence that I can look at PC troubleshooting quite methodically and scientifically to eliminate causes and narrow it down to at least 1 only possible component or part.
This situation is slightly different since we do have POST, and we can use the PC for normal daily task, but as soon as I edit a normal 1080p video footage without any special effects, even during scrubbing on the timeline , my PC crashes and restarts, and it restarts during some standard benchmark of Furmark and Unigine Valley as well.
Here are my PC specs:
Case: Fractal Design R5 Black Pearl
PSU: Corsair CX750M
Mobo: Asus 970 Pro Gaming Aura
Processor: AMD FX 8350 (never overclocked, running at stock speed with Hyper 212 Cooler)
RAM: 16 GB DDR3 (2x8GB Kingston Hyper X Fury)
GPU: AMD Sapphire R9380 Nitro 4GB DDR5
Monitor: BenQ 22inch 1080p
Disk Drives:
1 Toshiba SSD 500GB
2 Toshiba HDD 7200rpm 2TB
1 Seagate HDD Baracuda Green 5400rpm 4TB
1 Western HDD Digital Blue 7200rpm 320GB
1 Standard DVD Drive
OS: Windows 10 Pro 64 Bit on SSD
Nothing is overclocked, BIOS reset to default values on everything.
Tests done:
Prime 95:
Hardware failure detected
Fatal Error: Final Result was C22CF115, expected: 9A1DC942
Illegal Sumout
Rounding was 0.4921875, expected less than 0.4
Crash and restart during Furmark and Unigene Valley (random, sometimes doesn’t crash)
New Power Supply Unit swapped with Corsair VS 550 (didn't check the overclock profile in BIOS at first)
Different known working RAM swap (tested with mem86test )
Tested with known working different Nvidia GPU GTX 970
Tests Not done (didn't need to):
Breadboarding
Voltage check of PSU with multimeter
CPU cross swap with known working CPU
Time Stamps
00:09 My GPU Is Dying | Pc Keeps Restarting | BOYA BY-M1 Mic Test
• PC Keeps Restarting Randomly - Signs ...
00:40 Unigine Valley Benchmark
01:12 My GPU Is Dying | Pc Keeps Restarting | BOYA BY-M1 Mic Test
• PC Keeps Restarting Randomly - Signs ...
01:32 Troubleshoot A Computer Series Playlist | Computer Not Turning On | Pc Turns On But No Display On Monitor
• How To Troubleshoot A Computer That W...
05:52 How To Test A Power Supply Unit (PSU) With A Digital Multimeter | Advanced Troubleshooting
• How To Test A Power Supply Unit (PSU)...
08:30 Pt 2 | 2019 One Pc To Rule Them All | Is Pc Building Easy? Build Vs Buy A Gaming Pc
• Building A PC Is Too Hard | Build vs ...
10:15 PC Crashed and Restarts Randomly ( Post on Reddit) / pc_crashed_and_restarts_randomly
10:31 Troubleshoot A Dead Pc - Computer Not Turning On Easy Fix
• Troubleshoot A Dead Computer PC No Po...
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