Touch screen not working at all & occasionally screen will "glitch"
Touch screen fails every Lenovo Diagnostic test applied, and screen does not "flip" when Yoga device is folded; in addition to this, the screen will occasionally "glitch" - blacking out, screen tearing, weird patterns showing up, YouTube videos failing to load properly. Some of these can be "fixed" by shaking the device lightly or applying pressure to the bottom. Trying to determine what kind of hardware issue these could be related to, and how could I fix it?
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