HP Slimline 260-p026 Desktop PC, Intel Core i3, 8GB Memory, 1TB Hard Drive, Windows 10

To remove the access panel first, loosen the thumb screw at the rear of the panel that secures the panel to the PC. Grasp the handle on the panel and pull towards the back of the PC to release the panel. Pull the panel away from the PC. The access panel has several tabs on its top, bottom, and leading edges, which fit into slots and over the front lip of the PC. To replace the panel, align the tabs on the panel over the corresponding slots on the PC. Then slide the panel forward to lock it into position. Tighten the thumb screw to secure the panel to the PC. To remove the optical drive first, remove the access panel. Detach the power and data connectors from the back of the drive. Press on the black drive release latch at the top of the drive and slide the drive out the front of the drive bay. To replace the optical drive, slide the drive into its drive bay through the front of the PC l