My Nokia Lumia 520 is switching on and totally blank, how can I fix it?

[Windows Central Question]

my nokia lumia 520 is switching on and totally blank

no disply but switching on mobile display "NOKIA" logo another totally blank

 

[charlatan1978]

Re: my nokia lumia 520 is switching on and totally blank

Try following the procedure below.

To reset an unresponsive phone
If your phone is unresponsive and you can't reach Settings Settings icon, you may be able to reset your phone using the hardware buttons. On Lumia phones (and some others), do the following to reset your phone:

Press and hold the Volume down button and Power button buttons at the same time until you feel a vibration (about 10-15 seconds).

When you feel the vibration, release the buttons, then immediately press and hold the Volume down button until you see a large exclamation mark.

Once the exclamation mark appears, press the following four buttons in this order: Volume up button, Volume down button, Power button, Volume down button. Your phone should now reset and restart itself. (It might take a while for the reset to finish.)