Покупця вводять в оману продавці, невірно вказуючи що ця модель обладнана звуковими колонками. Мій екран одних проблем, два місяці працює чудово.

My 2 screens have been working perfectly for a month now and I hope it continues like this

Don't know either, you'll have to ask the seller

the left side was dark for me

It works fine in my house, but I've only had it for a fortnight, so we'll see what happens next.