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I/O Panel

Dell™ OptiPlex™ 170L User's Guide

  Small Desktop Computer

  Mini-Tower Computer

CAUTION: Before you begin this procedure, follow the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

NOTICE: Before you disconnect a device from the computer or remove a component from the system board, verify that the standby power light on the system board has turned off. To locate the light, see "System Board Components."

Small Desktop Computer

Replacing the I/O Panel

1. Follow the procedures in "Before You Begin."
   
   
2. Disconnect the hard-drive data cable.
   
   
3. Disconnect all cables that are connected to the I/O panel.
   
   

Note the routing of the control panel cable as you remove it from the computer so that you can replace it correctly.

1	internal speaker cable connector	4	mounting screw
2	I/O cable connector	5	front-audio cable connector
3	control-panel cable connector

4. From inside the computer cover, remove the mounting screw that secures the I/O panel to the computer.
   
   
5. Remove the I/O panel from the computer.
   
   
6. To replace the I/O panel, follow the removal procedures in the reverse order.
   
   

Mini-Tower Computer

Replacing the I/O Panel

1. Follow the procedures in "Before You Begin."
   
   
2. Remove the hard drive(s).
   
   
3. Cut the tie wrap cord that secures the I/O panel cables to the computer frame.
   
   
4. Release and remove the front panel:
   
   
   1. For computers with the release lever, push the release lever to release the top tab. See the following figure.
      
      For computers without the release lever, reach inside the computer and push the top tab toward you to release it.
      
      
   2. Reach inside the computer and push the bottom tab toward you to release it (the middle tab releases automatically).
      
      
   3. Rotate the front panel to separate it from the side hinges.
      
      

1	side hinges (3)	4	middle tab
2	front panel	5	bottom tab
3	top tab	6	release lever (not on all computers)

5. Remove the two screws that secure the I/O panel to the computer.
   
   

1	screws (2)
2	I/O panel
3	sound/USB cable
4	tie wrap cord

6. Remove the I/O panel and disconnect the sound/USB cable from the I/O panel.
   
   
7. Attach the sound/USB cable to the new I/O panel.
   
   
8. Insert the I/O panel into the I/O cage and replace the screws that you removed in step 5.
   
   

1	screws (2)
2	I/O panel
3	I/O cage

9. Reattach the front panel to the side hinges, and then rotate it until it snaps onto the front of the computer.
   
   

1	side hinges
2	front panel

10. Reinstall the hard drive(s).
    
    
11. Replace the computer cover.
    
    

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

12. Connect your computer and devices to electrical outlets, and turn them on.
    
    

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