If you cannot find the official Acer X113 driver, do not panic. You can use the driver. You will lose:
(page up/down for presentations) rather than video transmission. For this to work, you must have both the VGA cable (for video) and the USB cable (for control) connected simultaneously. Common Troubleshooting Product Support - X113 | Acer United States
Choose "Browse my computer for drivers" and point it to the folder you downloaded from Acer. 3. Check Cable Integrity