A1990 all Base assembly. No out put from logic board to built in screen.Seems backlite issue. Works on external monitor.Intel i9 2.9GHz processor,32GB memory and 1TB drive. Battery is in normal condition with 141 cycles. 4GB graphic.Sale includes only pictured parts. There is no liquid damage. Please see the pictures for more details. Fast shipping with fedex or USPS.Thank You.