Gaming GTA china town wars and guitar hero on tour help

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Hello people i have a problem guitar hero and china town wars give a white screen when i play it. i have the hack without the grip. but when i start the game i get white screen.

please can someone help me?

 

[RoffaMaffia']

When does gta china town wars give a white screen?

 

[Donato_Dobango]

Are you on an R4? If you are, get a real flashcart.

 

[Hachibei]

Return your game, sounds like you got a crappy copy.

I assume this because you're posting in the "NDS - Games" section, and not a flash cart subsection.