Chosen Solution

Before you rant about why I chose the G570 instead of the G400, i can’t seem to find it sorry. A few months ago I was happily using my touchscreen on my Lenovo g400s touch. Then it began slowly deteriorating until the driver disappears altogether. I can’t use my touchscreen anymore and I need it for an upcoming project. Can anyone give me advice on how to get it back. I already tried the restarting but it still hasn’t shown up.

Drivers don’t stop working unless there was updates and something broke for it. Check device manager> Human interface Devices. Look for something with touchscreen. Probably would be listed like HID Compliant touch screen. If it is there it sees it. If not and there isn’t any unknown devices then you might have had hardware that failed on you. Also make sure you don’t have it disabled. There can be a button on the keyboard with your F1-F12 keys that disable it as well.