The Minimum processor state is the minimum performance percentage your CPU will automatically decrease to save energy and battery life when there is little CPU demand by the system. You would want to keep this percentage the same or lower than the Maximum processor state setting.
The Maximum processor state is the maximum percentage performance your CPU will automatically increase to save energy and battery life when CPU demand increases. You would want to keep this percentage the same or higher than the Minimum processor state setting.
This tutorial will show you how to add or remove the "Minimum processor state" and "Maximum processor state" setting under Processor power management in Power Options for all users in Vista, Windows 7, and Windows 8.
You must be signed in as an administrator to be able to do the steps in this tutorial.
NoteThis could be handy if you wanted to set this how you wanted, then remove the setting to prevent other users from being able to change it in Power Options.
If you enable virtualization in your BIOS or UEFI settings like below, then the Minimum processor state and Maximum processor state power options will not be available, even if you set them to be added.
Only when virtualization is disabled in BIOS/UEFI will Minimum processor state and Maximum processor state be available in your Power Options.
If you enable virtualization in your BIOS or UEFI settings like below, then the Minimum processor state and Maximum processor state power options will not be available, even if you set them to be added.
Only when virtualization is disabled in BIOS/UEFI will Minimum processor state and Maximum processor state be available in your Power Options.
EXAMPLE: "Minimum processor state" and "Maximum processor state" in Power Options
OPTION ONE 
NoteThe .reg files below are for the registry key and value below.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\54533251-82be-4824-96c1-47b60b740d00\893dee8e-2bef-41e0-89c6-b55d0929964c
Attributes DWORD
1 = Remove
2 = Add
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\54533251-82be-4824-96c1-47b60b740d00\893dee8e-2bef-41e0-89c6-b55d0929964c
Attributes DWORD
1 = Remove
2 = Add
1. Do step 2 or 3 below for what you would like to do.
2. To Remove "Minimum processor state" from Power Options
A) Click/tap on the Download button below to download the file below, and go to step 4 below.
Remove_Minimum_processor_state.reg
3. To Add "Minimum processor state" to Power Options
NOTE: This is the default setting.
A) Click/tap on the Download button below to download the file below, and go to step 4 below.
Add_Minimum_processor_state.reg
4. Save the .reg file to your desktop.
5. Double click/tap on the downloaded .reg file to merge it.
6. If prompted, click/tap on Run, Yes (UAC Windows 7/8) or Continue (UAC Vista), Yes, and OK to approve the merge.
7. When finished, you can delete the downloaded .reg file if you like.
OPTION TWO NoteThe .reg files below are for the registry key and value below.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\54533251-82be-4824-96c1-47b60b740d00\bc5038f7-23e0-4960-96da-33abaf5935ec
Attributes DWORD
1 = Remove
2 = Add
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\54533251-82be-4824-96c1-47b60b740d00\bc5038f7-23e0-4960-96da-33abaf5935ec
Attributes DWORD
1 = Remove
2 = Add
1. Do step 2 or 3 below for what you would like to do.
2. To Remove "Maximum processor state" from Power Options
A) Click/tap on the Download button below to download the file below, and go to step 4 below.
Remove_Maximum_processor_state.reg
3. To Add "Maximum processor state" to Power Options
NOTE: This is the default setting.
A) Click/tap on the Download button below to download the file below, and go to step 4 below.
Add_Maximum_processor_state.reg
4. Save the .reg file to your desktop.
5. Double click/tap on the downloaded .reg file to merge it.
6. If prompted, click/tap on Run, Yes (UAC Windows 7/8) or Continue (UAC Vista), Yes, and OK to approve the merge.
7. When finished, you can delete the downloaded .reg file if you like.
That's it,
Shawn
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