If this does not work, and you do not see "HID-compliant touch screen" anywhere, you have a missing driver issue. Proceed to Part 4.
The most common scenario for Sony VAIO users on Windows 10 is that the driver is actually installed, but it is hidden or corrupted. Windows 10 has a habit of "hiding" devices that it thinks are not currently connected. sony vaio touch screen driver -windows 10-
Your Vaio remains a beautifully engineered machine. With the right driver hacks, it can run Windows 10 as a responsive, fully touch-capable laptop for years to come. Do not let Sony’s exit from the PC market ruin your hardware. Follow this guide, and swipe, pinch, and tap your way back to productivity. If this does not work, and you do
Sony maintains a support portal for legacy VAIO PCs, but navigating it can be tricky. You should not search for "touch screen driver" specifically; instead, you need to look for system updates that contain the driver. Windows 10 has a habit of "hiding" devices