Compatible for Lenovo Chromebook Duet CT-X636F X636 CT-X636N ZA6F 5D68C16420 CT-X636 CTX636 models 10.1'. Please check model number on back of device carefully. It will be tested and packed carefully before shipping. Please turn off the power before assembly. And we provide a 3-month warranty for quality problems. Please check model number on back of device carefully. Any questions, please contact us in time. 90% of the problems reported by customers that the product does not work may be caused by loose interfaces. Check the interface carefully to ensure that it is fully connected. Any questions, please contact us in time. Every screen is a complete assembly with both the LCD Display and Glass Touch Digitizer for a much easier repair. Fixes touch issues, display problems, dead pixels, cracked glass or dead screen.