Adding and Replacing Parts 23112 Connect your computer and devices to their electrical outlets, and turnthem on.See the documentation that came with the drive for instructions oninstalling any software required for drive operation.13 Enter System Setup (see "Entering System Setup" on page 81) and selectthe appropriate Diskette Drive (for a floppy drive) or USB (for a MediaCard Reader) option.14 Verify that your computer works correctly by running the Dell Diagnostics(see "Dell Diagnostics" on page 107).Optical DriveCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.CAUTION: To guard against electrical shock, always unplug your computer fromthe electrical outlet before opening the cover.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.Removing an Optical Drive (Tower Computer)1 Follow the procedures in "Before You Begin" on page 143.2 Remove the computer cover (see "Removing the Computer Cover" onpage 145).3 Remove the front panel (see "Removing the Front Panel" on page 154).4 Disconnect the power cable from the back of the drive and the CD/DVDdrive cable from the back of the drive and the system board.