Dell OptiPlex 755 User's Guide - Page 87

Desktop Computer About Your Desktop Computer Front View 1 2 3 11 10 9 8 76 5 4 1 USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras, or for bootable USB devices (see "System Setup" on page 280 for more information about booting to a USB device). It is recommended that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards. 2 LAN indicator light This light indicates that a LAN (local area network) connection is established. 3 power button Press this button to turn on the computer. NOTICE: To avoid losing data, do not turn off the computer by pressing the power button. Instead, perform an operating system shutdown. See "Turning Off Your Computer" on page 21 for more information. NOTICE: If your operating system has ACPI enabled, when you press the power button the computer will perform an operating system shutdown. 4 Dell badge This badge can be rotated to match the orientation of your computer. To rotate, place fingers around the outside of the badge, press firmly, and turn the badge. You can also rotate the badge using the slot provided near the bottom of the badge. 87 Desktop Computer