![]() Please remember to vote and to mark the replies as answers if they help. If the hardware passes then reinstall the applicable driver from the Lenovo website. Contents Lenovo Yoga 520 Touch Screen Not Working Update Yoga 520 Drivers And Windows Updates Disable and Re-Enable HID Touch Screen Driver Update Yoga 520 BIOS Check EDP Cable On Yoga 520 Remove Yoga 520 Back Cover In Summary Many reasons may be to blame for the touch screen not working, from hardware to software issues. Open device manager > click view > click show hidden devices > manually expand all rows > look for any row displaying a yellow triangle with black exclamation mark or unknown device > post images or share links into this thread Full Windows Touch Support with 10 Touch Points means the LCD is touch screen (the description will vary on different hardware). ![]() No Pen or Touch Input is available for this Display means the LCD is not touch screen. Right-click the Windows icon, then open System. They may have different versions and different test performance. Before proceeding, confirm the screen is equipped with touch. There should be both a BIOS and bootable version. ![]()
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