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Discovered a bug in Windows 8.1 Pro!

G

G73S

Senior member
A while back, I had posted that I was no longer able to see the Minimum Processor State in Windows 8.1

After much fiddling around, it was suggested here that I format again.

A long time has passed since then, yesterday, I did a clean install of Windows 8.1 Pro GA

Usually, when I check the task manager / Performance tab, my CPU speed is @ 3.27 GHz. on average since I am on the high performance power plan

Later, I enabled Hyper-V from the Program & Features then restarted, I checked the performance tab again, and the speed has dropped down to 2.4 GHz....

I thought...what the heck, let me re-check my Min/Max CPU speed in the power plan, I went there, and to my surprise it has disappeared!! not only has it disappeared, but it does something to the actual min/max CPU speed that dropped down my CPU speed by like 25%

I then went ahead and disabled Hyper-V again from the Programs & Features and guess what?

Upon checking the performance tab of the Task Manager, the CPU speed is back to its usual 3.27 GHz. and the Min/Max CPU Utilization in the Advanced power options is back!

Strange how noone noticed this, and Microsoft hasn't fixed it with all its updates!
 
Chiefcrowe said:
That's bizarre! so is there a fix for this problem yet? i skimmed through that page but it wasn't clear.
Click to expand...
sad but true, Windows 8.1 has been out for so long and still no fix

I reverted back to the Single Language Windows 8 that came with my laptop and I am not going to update to 8.1 until the new refresh in April is out I hope its ok then
 
Chiefcrowe said:
I'll keep an eye out on this thread.. I guess i won't use Hyper-V on 8.1 until then.
Click to expand...
I wouldn't keep my eyes on this thread, this issue has been there since 8.1 was released and MS doesn't even care to fix it.

Just use VMware Player free, it's much better anyway
 
Odd, I had just checked on my desktop(haswell) and the speed is fine, it says the max that it was before and will idle down properly as it should. This is a fresh install.

Did it on my laptop(ivybridge), and while the max speed is the same, it does not slow down at idle.
This was upgraded from win8.

now on both, when enabled I am missing the cpu power options as G73S mentioned
 
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