It should be noted that you need to buy a cover for the model on which you plan to install it. It is also important to understand that the cover, no matter how perfectly it sits on the laptop, in any case, there will be a thickening at the place where the monitor is attached to the laptop case, in connection with this, opening and closing may not be complete but partial, but this does not mean that the defective cover is a cost. in general this method of computer protection.