3. Disconnect the computer and all attached devices from their electrical outlets.4. Disconnect all external cables from the computer.5. Carefully, lift the rear of the computer and rotate the stabilizing feet into the closed position.6. With the help of an assistant, carefully lay the computer down on a flat surface with the computer cover facing up.Removing the Computer Cover1. Follow the procedures in Before You Begin.2. Pull back on the cover release latch.3. With the cover release latch pulled back, grip the sides of the cover, then pivot the top of the cover up and away from the computer.4. Slide the cover forward and up to remove it from the hinge slots, then set it aside in a secure and protected location.Inside View of Your ComputerNOTICE: When disconnecting a network cable, first unplug the cable from your computer and then unplug it from the network port or device.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.NOTICE: To avoid electrostatic discharge and damage to internal components, ground yourself by using a wrist grounding strap or by periodicallytouching an unpainted metal surface on the computer chassis.NOTICE: Ensure that sufficient space exists to support the removed cover—at least 30 cm (1 ft) of desk top space.1 computer cover 2 cover release latch 3 cover hinge tabs4 stabilizing feet (closed)
