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The power and volume buttons are broken, the tablet itself is turned off for some reason and I can’t turn it on. Is there any way to replace the buttons? What caused the issue? I dropped the tablet and it landed on its side, where the buttons are placed

The power and volume buttons should be able to be replaced. They are soldered to the motherboard. A guide to removing the mother board for the 1st gen Shield tablet is below. Nvidia Shield Tablet Motherboard Replacement Also below is a guide for a Shield K1 power/volume button replacement which appears very similar to repair. Nvidia Shield Tablet K1 Volume Control Button Replacement They are both rated Moderate difficulty.