Random hitching on high end pc when idle on desktop

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Zygotex

Thread Starter
Joined
Jan 15, 2015
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My build:
Intel i5 2500K
ASRock Z77 Pro4 mobo
MSI GTX 970 8GB
Memory (2 x 4 corsair vengeance)
GX 750W 80+ bronze
120gb Samsung SSD to run OS on
1tb HDD 3tb HDD
Windows 7

Now, this has only just started happening today and I can't figure out why, but when I'm on the desktop with just music playing through Spotify as I usually do, I get random hitches every 3 minutes or so where the computer locks up and the audio stutters like crazy, this usually happens for around 2 seconds at a time

What I've noticed: I use MSI afterburner to monitor this and CPU is at around 20% when idle and then when the stutter happens it jumps up to around 75% usage then falls back to 20% again Temperature doesn't change and stays at around 30 degrees

What I've tried: Running computer in safe mode and running adwcleaner, rkill, tdsskiller, malware bytes full scan. Nothing has been found so I don't suspect a virus

I'm not sure whether the stuttering was happening or not in safe mode because there was no sound and I wasn't moving the mouse around too much

I've tried looking for the culprit in task manager but no applications seem too demanding

Thank you for reading, I have no idea what this could be and I've been googling solutions all day but can't find any that work.
 

managed

Allan
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Joined
May 24, 2003
Messages
15,150
Cpu at 20% at idle looks too high to me. Look at Task Manager's processes tab to see what's using the Cpu so much.
 
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