Dell OptiPlex 755 Quick Reference Guide - Page 17
Notice - diagnostic lights
View all Dell OptiPlex 755 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 17 highlights
3 3.5-inch drive bay Can contain an optional floppy drive or optional media card reader. 4 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 your online User's Guide for more information on 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. 5 LAN indicator light This light indicates that a LAN (local area network) connection is established. 6 diagnostic lights Use the lights to help you troubleshoot a computer problem based on the diagnostic code. For more information, see "Diagnostic Lights" on page 66. 7 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 13 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. Quick Reference Guide 17