Please match your original screen's BACKLIGHT TYPE, SIZE, and RESOLUTION before you purchase this item, because some laptop models come with more than one type of screens USA Seller, 100% Guaranteed New and Tested Additional Details ------------------------------ Part number: 15.4" Wxga Wide Single CCFL Lcd Screen for Alienware Area-51 M15X Area-51 M5500 Area-51 M5500i-r3 Area-51 M5500-r3i Area-51 M5550 Area-51 M5550-r3i Area-51 M766 MJ-12 M5500 Ozma-m5500 Roswell-M5500 Laptop (Substitute Replacement LCD Screen Only. NOT a Laptop)