In order to keep your data, you could connect a mouse via USB OTG cable and make a backup (see here for more info: Touchscreen doesn't respond).
If you still have a warranty (2 years), I guess this issue is covered. I would contact support quickly.
In order to keep your data, you could connect a mouse via USB OTG cable and make a backup (see here for more info: Touchscreen doesn't respond).
If you still have a warranty (2 years), I guess this issue is covered. I would contact support quickly.