... LCD Panel ScreenModel: LTN154AT07Size: 15.4 inchesResolution: 1280*800 pixelsAspect ratio: WXGA Wide screenScreen Type: TFT Active Matrix Glossy Backlight ... Improper Installation or Incompatibility !Pictures of LTN154AT07 for your reference:Compatible Part Number P/N: 42T0535 ... FRU 42T0536, LP154WX4, LP154WX4-TLCB, LTN154X3-L03, LTN154X3-L06Fit Laptop Model5520, 5610, 5920, D810, D830, C300, C500, F500 ...