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Replacing the Front I/O Panel

Dell™ XPS™ 430 Service Manual

  Front I/O-Panel Components

CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

Front I/O-Panel Components

1	add-in audio internal connector	2	1394a internal connector	3	power button connector
4	front I/O connector	5	microphone-in connector	6	headphone-out connector
7	USB 2.0 connectors (2)	8	1394a external connector

To replace the front I/O panel:

1. Follow the procedures in Before You Begin.
   
   
2. Remove the computer cover (see Removing the Computer Cover).
   
   

NOTICE: Carefully note the routing of each cable before you disconnect it, so that you are sure to re-route cables correctly. An incorrectly routed or a disconnected cable could lead to computer problems.

3. Remove the front plastic bezel:
   
   
   1. Remove the drive panel (see Replacing the Drive Panel).
      
      
   2. Remove the two screws from the bottom of the chassis.
      
      
   3. Press out to release the six tabs that secure the bezel to the front panel.
      
      
   4. Pull the bezel away from the front of the computer.
      
      

1

Bezel tabs (6)

2

Bezel screws (2)

4. Remove the processor airflow shroud (see Replacing the Processor Airflow Shroud Assembly).
   
   
5. Remove the processor fan assembly (seeReplacing the Processor Fan Cage and Replacing the Processor Fan) and the card fan (seeReplacing the Card Fan).
   
   
6. Disconnect the control-panel cable from the I/O panel connector by pulling the cable loop.
   
   
7. Disconnect the power panel cable, 1394 cable, and audio cable (if it exists) so that the entire front I/O panel is free from all cables.
   
   

1

Front I/O panel

2

mounting screws (2)

8. Remove the two screws that hold the I/O panel assembly to the front of the chassis.
   
   
9. Gently ease out the lower end of the I/O panel assembly first from its groove on the chassis followed by the upper end.
   
   
10. To replace the front I/O panel, align the screw holes on the I/O panel with the screw holes on the chassis, and replace the two screws.
    
    
11. Reconnect the cable that attaches the power button to the I/O panel.
    
    
12. Reconnect the 1394 cable, and audio cable (if it exists and you had removed it).
    
    
13. Reconnect the control-panel cable to the I/O panel connector.
    
    
14. Replace the front bezel:
    
    
    1. Align the six tabs with the corresponding slots on the front panel and snap it back into place.
       
       
    2. Replace the two screws that secure the bezel to the bottom of the chassis.
       
       
    3. Replace the drive panel (see Replacing the Drive Panel).
       
       
15. Replace the processor airflow shroud (see Replacing the Processor Airflow Shroud Assembly) and the processor fan assembly (see Replacing the Processor Fan Cage and Replacing the Processor Fan).
    
    
16. Connect the card fan assembly (see Replacing the Card Fan)to the system board.
    
    
17. Replace the computer cover (see Replacing the Computer Cover).
    
    

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