Installation Steps : Simply remove your CD/DVD-ROM drive and put the Caddy (with the Your hard drive) in its place. Unpack the New drive. lift the adapter retaining latch. the screw to the hard disk. Insert the drive into the Adapter at an angle. Slide the drive into the connector until it locks into place. Lower the adapter retaining latch until it snaps closed. Compatible with : Compatible with: 2.5"/9.5mm SATA HDD or SSD, hard drive not include. 100 percent brand new 9.5 mm-thick caddy Compatible Channels switch help to improve the compatibility. You can try to move Left or Right if your Laptop can not read HDD. First Try with default position SATA interface Suitable : Fits 9.5 mm laptop optical drive bay SATA interface Suitable for SATA 2.5" hard drives (thickness less than 9.5 mm thickness) Removable front panel, can replace with your current panel Light weight: only 62 g Dimensions: 127 x 127 x 9.5 mm & 4 x screws included Universal 9.5 mm SATA HDD SSD enclosure hard drive caddy case tray for laptop CD DVD-ROM optical bay drive slot Fully integrated into laptop, no cables/PSU/software driver needed.