The first step is to download the recalibration file. Download Here
Next you will want to unzip the "qrtscal" file onto you camera main memory card.
Insert the SD card back into the device and turn power on.
After the camera power on, the touch-screen calibration is presented. Press the crosses on the screen with a touch pen or a stubby pencil one by one.
Once this procedure is finished correctly. The touch-screen recalibration screen will disaper
If the touch-screen recalibration procedure does not resolve your touch screen problems. Please contact the store from which the camera was purchased from for warranty replacement.