Why is there a thick black vertical line in the middle of the screen?

which board ,you talking ,how do u do a factory reset is there a code on the remote like samsung which board ,you talking ,how do u do a factory reset is there a code on the remote like samsung

ok when u say processor ,are we talking replacing a board,cause i have no problem with that,when i first got it,it had no pic at all,i inspected it and found the power supply had loose solder joints ,i repaired that ,then i got the pic,but it had the black line,i also have no sound ,so im thinking main board problem ok when u say processor ,are we talking replacing a board,cause i have no problem with that,when i first got it,it had no pic at all,i inspected it and found the power supply had loose solder joints ,i repaired that ,then i got the pic,but it had the black line,i also have no sound ,so im thinking main board problem

Without being able to physically examine the item its impossible to say, but I would go with your hunch, but if you and I are wrong then it could be a expensive mistake. Is it really worth the hassle ? Without being able to physically examine the item its impossible to say, but I would go with your hunch, but if you and I are wrong then it could be a expensive mistake. Is it really worth the hassle ?