Dell Precision 390 Quick Reference Guide - Page 25
Back-Panel Connectors, User's Guide - not detect usb
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Back-Panel Connectors 1 2 34 5 6 7 11 1 mouse connector 2 parallel connector 3 link integrity light 10 9 8 Plug a standard mouse into the green mouse connector. Turn off the computer and any attached devices before you connect a mouse to the computer. If you have a USB mouse, plug it into a USB connector. If your computer is running the Microsoft® Windows XP operating system, the necessary mouse drivers have been installed on your hard drive. Connect a parallel device, such as a printer, to the parallel connector. If you have a USB printer, plug it into a USB connector. NOTE: The integrated parallel connector is automatically disabled if the computer detects an installed card containing a parallel connector configured to the same address. For more information, see "System Setup Options" in the User's Guide. • Green - A good connection exists between a 10-Mbps network and the computer. • Orange - A good connection exists between a 100-Mbps network and the computer. • Yellow - A good connection exists between a 1000-Mbps (or 1-Gbps) network and the computer. • Off - The computer is not detecting a physical connection to the network. Quick Reference Guide 25