gameboy advance question

[harrywantstoknow]

i need help, i don't know what, but i did something to my gameboy advance, now the screen is black and white

 

[King Dranzer]

I think you will get better results for solving your problem if you contact Nintendo.

 

[Michael_668]

Hold L + R and press a direction on start up. If it doesn't go back to normal the do the same process and try a different direction