Dell OptiPlex 755 Quick Reference Guide - Page 15

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover. 6 Remove the computer cover. • For a mini tower computer, see "Removing the Computer Cover" on page 22. • For a desktop computer, see "Removing the Computer Cover" on page 32. • For a small form factor computer, see "Removing the Computer Cover" on page 43. • For an ultra small form factor computer, see "Removing the Computer Cover" on page 55. NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components. Quick Reference Guide 15