LG LED Tv 42" screen black while switch on only have sound ... Why is?

[andaw44]

Suddenly my LG Led Tv 42" became black while switch on and have sound only.
I re- connected cable but problem not solved. what is your opinion dear?

 

[lg_team]

Good day,

Please check the article below for some troubleshooting,

I would also recomend trying a differnt cable incase its the cable.

http/www.lg.com/us/support/product-help/CT10000018-20150368996230-others

 

[khongquantam5026319]

Suddenly my LG Led Tv 42" became black while switch on and have sound only.
I re- connected cable but problem not solved. what is your opinion dear?