Just bought a DSO4254C (a month ago). It woks well. But I have frequent resets during operation.
Usually it restarts normally. But today, I have noticed that it has trouble to restart. It takes few minutes to restart. after several attempts dhwing up Hanteks logo...
Sir, press the power button to turn on, wait for 2 seconds, then press the power button again to turn off.
And press the power button to turn on, enter the recover page as following picture and select F2 to recover the system to try.