Dell OptiPlex 755 User's Guide - Page 47

9 If you removed a network-adapter card connector: a Enter system setup, select Network Controller, and change the setting to On (see "System Setup" on page 280). b Connect the network cable to the integrated network connector on the back panel of the computer. PS/2 Serial Port Adapter CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis. Installing a PS/2 Serial Port Adapter 1 Follow the procedures in "Before You Begin" on page 21. 2 Remove the computer cover (see "Removing the Computer Cover" on page 27). 3 Gently push the release tab on the card retention latch from the inside to pivot the latch open. The latch will remain in the open position 2 1 1 card retention latch 2 alignment guide Cards 47