Yes, it is a good idea to do so after you have turned it off.
unplug old cord...plug in new cord
Unplug it from the wall for about a hour then plug it back in.
Yes, it will. The memory is stored in the Wii system, not the TV.
Its maybe broken. Try to unplug and plug your tv. Or maybe tv remotes batterys are dead.
Unplug the cord in the back for 2 mins then plug back in. if that doesn't work then call direct t.v.
If your Westinghouse TV has a blank white screen, it is caused by an interruption of the electrical signal. You will need to unplug everything and plug it back in to make sure everything is connected.
I had the same problem and solved it: just unplug the power cable. Then while pressing the INPUT & VOL - buttons on the tv, plug the power cable back into the outlet (with your other hand) . When it powers up keep pressing the INPUT & VOL - after just a few seconds you will see
Unplug all video audio an power cords then plug them back in an label display will be gone. Problem solved!
Unplug the set from the wall for about one hour then plug it back in to see if this corrects the problem.
un-plug
If your TV freezes, try turning it off and on again to reboot the system. If that doesn't work, unplug the TV for a few minutes and then plug it back in. You can also check for any software updates or reset the TV to factory settings if needed.
You will need the 3 yellow red & white cables to connect into the same colored holes in the front of the TV. If the TV doesn't have those holes, you'll need a video adapter. To use that, plug the small end into the PS2, unplug the video feed on the TV, and then plug the other end of the cable into the video input plug. If you don't want to have to keep unplugging & replugging it, plug the TV video feed into the input socket on the side of the adapter, so you can turn off the PS2 & it'll go back to regular TV.