The VAIO® Power Management tab is missing from the Power Options Properties window.
If the VAIO® Power Management tab is missing from the Power Options Properties window, uninstall VAIO Power Management using the Add or Remove Programs feature in the Control Panel and then reinstall VAIO Power Management using the VAIO Application Recovery Wizard in the Control Panel.
NOTE: Verify VAIO Power Management is supposed to be included on the computer.
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