1. RU version computer keyboard for Asus K42J X43 X43B A43S A42 K42 A42J X42J K43S UL30 N42 N43 B43 U41 K43S U35J UL80. 2. Replace your broken or unworkable part with a new one. 3. Each item has been checked and in good condition before shipping. 4. Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts.