No Return / No Exchange Policy.Please check model Number and match with your Product.Generic and Proper Display Cable.Super Quality.Every product cross check Before Shipping.B. 6017B0440101 747751-001 738684-001 ( 30 Pin screen side )Compatible with655G1, 640G1, 645G1, 650G1655G2, 640G2, 645G2, 650G..