How to enable power saving feature on the touchscreen?
You can install "Cando-Capacitive Touch Screen" driver to save power. Please follow the instructions below:
Click Windows 7 32bit / 64bit to download driver accordingly.
Click [Start] > right click on [Computer] > click [Manage]
Click [Device Manager] > choose [Human Interface Devices] > right click on [Cando 7 Multi Touch Panel with Controller] device > click [Properties] > choose [Power Management] and check [Allow the computer to turn off this device to save power].