I Had A Problem On My Wii Console After I Try To Rebooter...MODERATORS I NEED HELP

Hello...
I Had A Problem Wii My Mod Wii Console After I Try To Rebooter Use Beckup Launcher 0.3
I Turn YES To Rebooter Sitting Then I Try To Launcher The Game
Suddenly My TV Turn Black...
So I Though,If Problem Like This Should Be Fine After I Turn Off My Wii Console...
Then,When I Turn On My Wii Console The Screen Tv Still Turn Black...
There Is Notthing Happen,I Try To Turn Off And On Still The Same,Black Screen...
What Happen?
Is This Big Problem?
What Should I Do?
Please Help Me Solve This Problem MODERATORS....

there are many possiblelities such as broken cable, or wii breakdown.

Bring it to our shop in time square to inspect. We do have repair services.

sound like a bad problem...
so,is this happen when try to change the setting rebooter wii...
my tv work perfectly fine...