Parts & Accessories Monitor Screen for sale, nothing is wrong with it, complete and completeness belongs to God Almighty. It works on Aceer if you have it, or if your children play PlayStation, you can connect it for them, or in a shop, or anything. But when you turn it off, or turn the volume up or down, it tells you to lock, it needs formatting, I don't know what it needs. The screen is in front of you, the HD ports are intact and everything is intact. Whoever wants to contact me, this is my number (the phone number appears when you press the contact button). My price is 230, the minimum. Regarding HZ Hertz, it is 60, and the inches are from 70 to 80 or less because it is not written on it. 230