If the touch-screen features on a Windows device have stopped working, a technician should check the Tablet /PC settings. The Tablet/PC settings contain options for configuring the touch-screen features on a Windows device. By checking the Tablet/PC settings, the technician can ensure that the touch-screen features are enabled and configured correctly. If the touch-screen features on a Windows device have stopped working, a technician should check the Tablet /PC settings. The touch-screen settings may have been disabled or there may be a driver issue that needs to be resolved. References: CompTIA A+ Certification Exam Guide, pg. 536