JVC LT-32N310a tv. I switched off the tv and disconnected a USB external hard drive. After I switched the tv back on the screen went blue with horizontal white/cream lines in the middle. No picture, no sound. You can tell the its responding to the remote because the lines change position
Even if you change the source ? or you cant do that ?
http://www.tvrepair.localdomain.me
SOURCE: TV screen went dark, but sound still there.
your backlight burnt out, this will be a maybe several hundred dollar repair. the screen is backilt by a very expensive flourescent light, without that light, the screen will be black.
SOURCE: My Panasonic tv displays only a thin blue horizontal line
This is vertical problem. The tv have a cold solder in vertical ic or ic is bad.
SOURCE: Picture but no sound on my Vizio L37 Flat Screen
I had the same thing just happen and I used the following instructions from the Vizio Website for "humming sound" on tv and it worked. My sound is now working!!!!
1- Power off TV
2- Unplug TV from outlet
3- Press and hold in the power button on the TV for 30 seconds (while it is unplugged from the wall)
4- Release the power button
5- Plug in the TV into a different outlet
6- Power the TV back on.
Reset the TV settings.
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