How To Fix Xiaomi Mi 10t Black Screen [updated] -

Mi PC Suite v3.x, USB cable, previously enabled USB debugging (unlikely – so try next method).

As soon as the logo appears, release Power and immediately press and hold . How to fix XIAOMI Mi 10T black screen

Phone reboots and Mi logo appears. If still black, proceed to data backup (Solution #7) before factory reset. Mi PC Suite v3

Look for the (breathing light); if it’s on, the phone is receiving power. Mi PC Suite v3.x