Does kernel isolation need to be enabled in Lenovo Savior r9000p?

No need.

The kernel isolation in the system will conflict with some games, and will also cause some applications to be unusable, so it is recommended that you do not turn on this feature.

Close method:

1. Click the desktop start menu to open the settings window.

2. Find and enter the privacy and security options.

3. Select the Windows Security Center button under this column.

4. Click to open the device security panel.

5. Find the Kernel Isolation option and slide the button under Memory Integrity to the left to close it.