- Jul 16, 2022
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I own a Corsair CX750M, working with 4770k and 380x. I experience a lot of kernel power 41 errors lately when I play some of the games. Sometimes my PC turns off like 5 times a day, sometimes I can play without any problems for month or so. Windows logs are empty with zero (0x0) values.
View: https://i.imgur.com/K59IbFU.png
I tried many different things in past months to find and/or solve the problem. I ran many different tests like prime95, linpack, 3dmark to find if any of other components are failing or PSU turns off when load gets too heavy. But even linpackExtreme doesn't make my PC fail as some games do.
Today I disassemled PSU, cleaned it and checked for any sign of broken components, everything is looking fine to my eye, nothing is leaking, nothing is burned or cracked, all cables are intact.
I have a feeling that temperature sensor(s) are broken inside a PSU, and it disables on it's own. HWiNFO gives me weird data from both AUXTIN sensors (I assume it's PSU ones). It shows values between 20-125C at a random intervals when PC is in idle. Those readings couldn't be true, because it would've burned long time ago under load. Anything else related to PSU is absolutely normal, 12V snows almost perfect values, 12.06 idle and 11.96 linpack load. Any other voltage is in a good range aswell, temperatures of any other complonents like CPU/VRM/GPU/MEM are fine. On other hand even when PSU temp reads 125C pc keeps working, unless I play certain games, then crash can occur under certain conditions, which are predictable, and those conditions are far from heavy load. As example I play The Cycle, I never experience crash during game, but I often crash when I sit in lobby, which is less stressful for PC. Locking FPS to 30 (to reduce consumption) in lobby didn't solve a thing. On other hand I never ever get a single crash in CoD battleroyale despite it being more consuming than The Cycle.
View: https://i.imgur.com/wAVpazS.png
View: https://i.imgur.com/l4aCXQd.png
It's absolutely clear that PSU needs a replacement asap, or it can be anything else that gives me a KernelPower41 error?
I tried many different things in past months to find and/or solve the problem. I ran many different tests like prime95, linpack, 3dmark to find if any of other components are failing or PSU turns off when load gets too heavy. But even linpackExtreme doesn't make my PC fail as some games do.
Today I disassemled PSU, cleaned it and checked for any sign of broken components, everything is looking fine to my eye, nothing is leaking, nothing is burned or cracked, all cables are intact.
I have a feeling that temperature sensor(s) are broken inside a PSU, and it disables on it's own. HWiNFO gives me weird data from both AUXTIN sensors (I assume it's PSU ones). It shows values between 20-125C at a random intervals when PC is in idle. Those readings couldn't be true, because it would've burned long time ago under load. Anything else related to PSU is absolutely normal, 12V snows almost perfect values, 12.06 idle and 11.96 linpack load. Any other voltage is in a good range aswell, temperatures of any other complonents like CPU/VRM/GPU/MEM are fine. On other hand even when PSU temp reads 125C pc keeps working, unless I play certain games, then crash can occur under certain conditions, which are predictable, and those conditions are far from heavy load. As example I play The Cycle, I never experience crash during game, but I often crash when I sit in lobby, which is less stressful for PC. Locking FPS to 30 (to reduce consumption) in lobby didn't solve a thing. On other hand I never ever get a single crash in CoD battleroyale despite it being more consuming than The Cycle.
View: https://i.imgur.com/wAVpazS.png
View: https://i.imgur.com/l4aCXQd.png
It's absolutely clear that PSU needs a replacement asap, or it can be anything else that gives me a KernelPower41 error?
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