Laptop Lock uses Kensington t-bar locking technology to secure laptops, desktops, TVs, monitors, hard drives, docking stations, projectors or any other device with a Kensington security slot; can anchor to a desk, table or any fixed structure NOTE: Does not work with 2016 and newer Dell laptops and tablets that use Dell's new wedge lock slot. See Kensington part# K68008WW or K64440WW. Some HP models including HP Elite Books, X2 tablet and Chromebooks use our Nano saver lock slot, see part #K64444WW for compatible models. Please review your device's technical specifications, and use our lock selector at Kensington /locks elector Available for most notebooks, desktops, projectors, LCD and Plasma Screens with built in security locking slot hole. Attention please,the following model can't be used:【Lenovo】and 【HP】,【Dell】3*5 keyhole can't be used.【ASUS】F441 K5011 X441. If you not sure wheather your laptop can use our laptop lock , please contact us ,we will help you.