Back to Contents PageMini Tower ComputerDell™ OptiPlex™ 745c User's GuideAbout Your Mini Tower ComputerInside Your ComputerAbout Your Mini Tower ComputerFront View1 5.25-inchdrive bayCan contain an optical drive. Insert a CD or DVD (if supported) into thisdrive.2 5.25-inchdrive bayCan contain an optical drive. Insert a CD or DVD (if supported) into thisdrive.3 3.5-inch drivebayCan contain an optional floppy drive or optional media card reader.4 USB 2.0connectors(2)Use the front USB connectors for devices that you connect occasionally,such as joysticks or cameras, or for bootable USB devices (see youronline User's Guide for more information on booting to a USB device).It is recommended that you use the back USB connectors for devices thattypically remain connected, such as printers and keyboards.5 LAN indicatorlightThis light indicates that a LAN (local area network) connection isestablished.6 diagnosticlightsUse the lights to help you troubleshoot a computer problem based onthe diagnostic code. For more information, see Diagnostic Lights.7 power button Press this button to turn on the computer.NOTICE: To avoid losing data, do not turn off the computer by pressingthe power button. Instead, perform an operating system shutdown. SeeBefore You Begin for more information.NOTICE: If your operating system has ACPI enabled, when you pressthe power button the computer will perform an operating systemshutdown.8 power light The power light illuminates and blinks or remains solid to indicatedifferent operating modes:
