I found this [temporary] solution at http://www.wiierror.com/wii-black-screen.php:
(via email, thanks Steven)
This happened to me once, but I fixed it. Here is how:
Eject the disk
Unplug the wii at the back
Wait 1 minute
Plug it back in
Turn it on from the remote
Press reset if it does not show up
Hold the power button to shut it off
Turn it on once more.
I don't know how, but it seemed to work for me. The problem happened
when I was trying to load the Mii channel. Hope this helps !
(via email,
thanks Andrew)
The first time I shut down my Wii, the light went orange (as it
should). When I turned on the power with my wii remote the next day,
the wii\'s light turned green but the screen was black.
The treatment was the same as from Black Screen, No Connection:
Unplug the Wii\'s power supply unit, then replug; turn system on with
wii remote.
The difference is: this problem can strike in more places than just
by loading the Mii Channel. Also, I think the green light being on (yet
there being a black screen) is a common symptom as well.
What console? xbox 360?
Same as mine.
Arewf
1,775 views
Usually answered in minutes!
Same problem with mine. Turns on but no picture on the tv. Tried hooking up another Wii with my cords and that one worked fine. What's the deal?
mine does the same the power is on but nothing happens
I plug in and turn on my wii. I get the "read your manual for health warnings" screen and it prompts me to press A. I do so and it comes up blank.
I tried unplugging it for an hour and it does the same thing. I have all the plugs plugged in correctly.
only run once. when i booted it again, it always shows black screen
I have the same problem.
The Wii power comes on but no display on TV
same problem here. and my wii-motes don't sync when it happens.
screen is black-all wires plugged in but found that the sensor bar cord was cut in two. will this make the wii not load to the tv.
same here,i connected wii fit to console,now the console shows up blank screen on tv.no pic.the remotes dont even work with console now.
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