194 Mini Tower Computer PartsCAUTION: Failure to replace and tighten all screws may cause electrical shockas these screws are a key part of the system grounding.NOTICE: Route the DC power cables under the chassis tabs. The cables must beproperly routed to prevent the cables from being damaged.9 Reconnect the DC power cables to the system board and drives.10 Secure the hard drive cable, CD or DVD drive data cable, and the frontpanel ribbon cable to the securing clip on the side of the power supply.NOTE: Double-check all cable connections to make sure they are secure.11 Replace the computer cover (see "Replacing the Computer Cover" onpage 207).NOTICE: To connect a network cable, first plug the cable into the network deviceand then plug it into the computer.12 Ensure that the correct power supply voltage (115 V or 230 V) is selected,using the red voltage selection switch at the back of the chassis.13 Connect your computer and devices to an electrical outlet, and turn themon.14 Verify that the computer works correctly by running the Dell Diagnostics(see "Dell Diagnostics" on page 111).SpeakersInstalling a SpeakerCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions located in the Product Information Guide.NOTICE: To prevent static damage to components inside your computer, dischargestatic electricity from your body before you touch any of your computer’s electroniccomponents. You can do so by touching an unpainted metal surface on thecomputer chassis.1 Follow the procedures in "Before You Begin" on page 143.2 Remove the cover of your computer (see "Removing the Computer Cover"on page 147).3 Insert the speaker into the chassis of the computer.
