Default Horizontal sections of touchscreen go dead sometimes

Okay, something is up with my touchscreen.

The part without the dots, and the yellow part I highlighted, keep randomly dying. However if I reboot the phone the touch works fine again for a few minutes. It also can randomly start working again.

Seeing how it works after I restart, is it possibly a software issue?

How can I find out what is causing it and fix it (if it is a software issue)?

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