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.
If you wish to turn off TouchPad, click Disable. Button clicking using a TouchPad or ClickPad in Windows 8. The TouchPad has dedicated left-and right-click buttons give you the same functionality as the buttons on an external pointing device.f you want the TouchPad to function like a standard notebook mouse that does not use gestures, you can turn off these features. To turn all gestures off: From the desktop screen, right-click the Synaptics Pointing Device icon, or other pointing device icon in the Windows system tray. Select Disable Gestures.