Clean the touch screen and screen protector ... Be sure to power down fully and unplug your device first. Turn on Safe Mode for Android or Windows safe mode. Sometimes, a problem with an app ...

This flagship BlackBerry is RIM's first touch-screen device. Unique features include a large capacitive touch screen with physical click action, and robust GSM/3G global roaming. Other features ...

Open Devices Manager > Human Interface Device > HID-compliant Touch Screen (Your touch device). Right-click on it and select Disable. Wait for a few minutes and then again right-click and select ...