Lenovo x60 Default Power Schemes Missing?

I woke up this morning beside most of the default power scheme missing for my Lenovo x60. How do i restore them back? The laptop's power endeavour got stucked to the 'Power Source Optimized' and won't allow me to modify to the remaining schemes. Also, i even could not create a customized assignment.


Answer:

When the computer first boots press the key to catch into the bios settings, you might have the power organism locked in nearby... See if you can change or allow window to manage from near.

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