74 Re moving and Installing Partsw w w . d e l l . c o m | s u p p o r t . d e l l . c o m Back View1231389 417141561025*11*May not be present on all computers.1 mouse connector Plug a standard mouse into the green mouse connector. Turn off the computer and anyattached devices before you connect a mouse to the computer. If you have a USBmouse, plug it into a USB connector.2 diagnostic lights (4) Use the lights to help you troubleshoot a computer problem based on the diagnosticcode. For more information, see "Dell Diagnostics" on page 59.3 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If you have a USBprinter, plug it into a USB connector.4 line-in connector Use the blue line-in connector to attach a record/playback device such as a cassetteplayer, CD player, or VCR.(On computers with a sound card, the microphone connector is on the card.)5 cover latch Releases the cover from the computer.
