Achieving the Max Adhesion on the Computer Cases by the Proper Applying Process Step 1:Peel off the used or damaged feet Step 2:Remove the rubber feet completely Step 3:Use the Lint-free cleaning wipes, saturated with 97% isopropyl alcohol to clean the surface where the rubber feet are applied to.The cleaning surface is beneficial to achieve the max adhesion between the computer case and rubber feet. Step4:Align the new rubber feet to the recess on the bottom base cover.Press down firmly. Note:Please use the laptop after the new rubber feet has been installed for more than 24 hours.Then,the adhesion between the rubber feet and computer case would reach the max value.