US Version Keyboard for HP probook 4540 4540S 4545 4545S

1. US version computer keyboard for HP probook 4540 4540S 4545 4545S. 2. Replace your broken or unworkable part with a new one. 3. Each item has been checked and in good condition before shipping. 4. Completely fit and work. 5. 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.