Black screen with 4.3 eur in right corner

In priiloader system hack menu my cousin turns everything enable(including lock system menu with black screen)and now when you turn on wii just got black screen with 4.3 eur in right corner...When push reset i can go into priiloader but remote can't sync and i can't navigate through the menu to turn everything disable...In priiloader remote can turn wii off and on and stand by...When pull out the sd card nothing happened...All the same...In priiloader after 15 sec push reset again and wii again turn to black screen with 4.3 eur...Is my wii bricked?Is there solution to boot into system menu?Thank you people

Please tell your cousin to not mess with system menu hacks in priiloader. You must have to disable everything in priiloader\system menu hacks.

Good Luck