Question My PC is being weird and hanging or freezing

Nov 23, 2020
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Recently (in the last few months) my PC has been doing some wierd things like hanging for a few seconds (sometimes with a buzz on the speakers) to just completely freezing. I am trying to narrow down my search but I really don't know what to check next. Unless anyone has some magic colutions that might help, I have two questions;

  1. The event viewer seems to have a lot of error or warning events (is this normal). See this: https://ibb.co/WnD2K9B
  2. The CPU Vcore is flucturating (somethimes). Could this be causing problems or somehow be realted to my issues? See this: https://ibb.co/wKkLgyS

Thanks in advance to anyone spending the time to read this....!
 
Nov 23, 2020
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Not a problem, below is the major components. I don't think it would be a temperature thing but I could be wrong. It doesn't tend to happen under high demand or anthing (not that it is ever under that high a demand).

CPU: AMD Phenom II X6 1090T Black Edition
Motherboard: Gigabyte 990FXA-UD3
Memory: 16GB DDR3 1333mhz (4x 4GB)
Graphics card: ATI Radeon HD 5570 1GB
Case: Zalman Z9 Plus
PSU: 700W Xigmatek
Hard drives: SanDisk 125GB and 3 other hard drives.
 
Nov 23, 2020
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Yeah, it is getting on a bit but it has lasted a lot of years with the current build. I would like to narrow down what is causing the problem if possible...

Is it typical for the Vcore of the CPU to vary like that??