The notch in the sample affects the results of the impact test, thus it is necessary for the notch to be of regular dimensions and geometry. The size of the sample can also affect results, since the dimensions determine whether or not the material is in plane strain. This difference can greatly affect conclusions made.
At any point if you would like to enable touch screen functionality again, simply go back to the Device Manager, right-click HID compliant touch screen, and select Enable. Remember, you will be required to restart your PC to enable the touch screen functionality again.
Type control mouse in the box and press Enter. The Mouse Properties control panel window opens. Click the Device Settings tab. Click the Lenovo Touchpad in the Devices list and click the Enable button to activate the Touchpad.Click the OK button to save your changes.Your Lenovo's touchpad is unlocked and ready for use.lick the Lenovo Touchpad in the Devices list and click the Enable button to activate the Touchpad. Click the OK button to save your changes. Your Lenovo's touchpad is unlocked and ready for use.