96 Removing and Installing Partsw w w . d e l l . c o m | s u p p o r t . d e l l . c o m 6 Check all connectors to be certain that they are properly cabled and firmly seated.7 Close the computer cover (see page 107).NOTICE: To connect a network cable, first plug the cable into the network device and then plug it intothe computer.8 Connect your computer and devices to electrical outlets, and turn them on.See the documentation that came with the drive for instructions on installing any softwarerequired for drive operation.9 If the drive you just installed is the primary drive, insert a bootable floppy disk into drive A.10 Turn on the computer.11 Enter system setup (see page 113), and update the appropriate Drive option.12 Exit system setup, and restart the computer.13 Partition and logically format your drive before you proceed to the next step.See the documentation for your operating system for instructions.14 Test the hard drive by running the Dell Diagnostics (see page 55).15 If the drive you just installed is the primary drive, install your operating system on the harddrive.Adding a Second Hard DriveCAUTION: Before you begin any of the procedures in this section, follow the safety instructionslocated in the Product Information Guide.CAUTION: To guard against electrical shock, always unplug your computer from the electrical outletbefore opening the cover.NOTICE: To avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on asurface, such as a foam pad, that will sufficiently cushion it.1 Check the documentation for the drive to verify that it is configured for your computer.2 Follow the procedures in "Before You Begin" on page 63.3 Remove the two plastic rails from the inside of the hard-drive bay by gently pulling the railsup and out of the bay.4 Attach the rails to the hard drive using the two screws attached to the rails.Ensure that the rail tabs are positioned at the back of the hard drive.NOTICE: Do not install any drive into the lower hard-drive bay until you have removed the green driverails from the inside of the hard-drive bay.5 Remove the first hard drive from the upper bay and install it in the lower bay:a Disconnect the power and the data cable from the back of the first hard drive.b Press in the two rail tabs and pull the first hard drive out of the upper bay.