Windows Tip 5 – How to Disable Core Parking in multicore CPU?

Windows 7 TroubleshootsWin7 - Disable Core Parking in multicore CPUHow to Disable Core Parking in multicore CPU? (Windows 7)

Do you want the full power of your CPU, with the engagement of all available cores? This is possible by disabling CPU Core Parking setting in Windows 7 registry. After disabling Core Parking, all Cores are available at all times. The result is approximately equal CPU cores load at all times, regardless of load. Note: It only applies to Windows 7 x64 and x32 and only in systems using  more than 2 physicial CPU’s  and/or more than 2 logical cores. Disabling Core Parking is not related in any way to ‘Minimum Processor State” and to “Maximum Processor State”, in the Processor power management.


1. Launch Regedit

2. Locate  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\54533251-82be-4824-96c1-47b60b740d00\0cc5b647-c1df-4637-891a-dec35c318583

3. Change the “ValueMax” value from 64 to 0

Exit Regedit and restart Windows 7 OS. Start Task Manager, click on Resource Monitor button, click on CPU tab. All cores and threads should be unparked and available.

Views: (5932)

Leave a Reply