Go to power options.
# Make sure the '''Balanced''' option is selected, then click '''Change plan settings'''
# Now click the '''Change advanced power settings''' link
# Expand '''+''' the '''Processor power management''' option (if your CPU supports it)
# Expand '''+''' the '''Maximum processor state''' option
# Click the blue text then set the option to 90% and click '''Apply'''
# Now click '''OK''' to close the Power Options window
# '''Restart''' your PC
# All done!