High CPU usage on multiple OS and CPU's

[Dan_156]

I was having high cpu usage on windows 10 with an i5 4690 so I bought an i7 4790k and my cpu usage is still ridiculously high and by high I mean 90-100% when I go to a page or watch a video. I was wondering what would cause this. I was thinking that I had a bad cpu and now I don't know what's the issue.

My motherboard is a z97a.

 

[GhislainG]

What's taking up CPU time according to Task Manager? That should have been the first thing to check. Once you know what's using it the most, then it's easy to fix it.

 

[Dan_156]

What's taking up CPU time according to Task Manager? That should have been the first thing to check. Once you know what's using it the most, then it's easy to fix it.

I just installed windows 10 again on another HDD and my cpu usage is still high, its not like there's any one particular program running that's eating up my cpu.

Task manager shows like 90-100% but speedfan shows 12% or so

 

[GhislainG]

Could you post a screen print of task manager, processes tab with CPU utilization in descending order? Also post the performance tab.

 

[Dan_156]

Could you post a screen print of task manager, processes tab with CPU utilization in descending order? Also post the performance tab.

Heres a screen shot http://i65.tinypic.com/11tphqc.png

Notice how the cpu usage differs from taskmanager and speed fan? Makes no sense to me and it doesn't matter what program I'm using they all max out the cpu.

 

[GhislainG]

The system isn't idle; therefore it's normal the CPU is busy. Why not wait until the NVidia drivers have been installed? A screen print of the performance tab would have been more useful that the speedfan info.

 

[Dan_156]

Turns out all I needed to do was clear my CMOS....Idk why that fixed it but it did.

 

[GhislainG]

I wanted to see the performance tab because it would have shown the CPU frequency; it probably was not running at its normal speed.