User manual Dell 1721

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Removing the Modem Connector  
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.  
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Follow the instructions in Before You Begin.  
Remove the modem (see Removing the Modem).  
Remove the system board (see Removing the System Board Assembly).  
Remove the M2.5 x 5-mm screw that secures the modem connector to the base of the computer.  
NOTICE: Before you remove the modem connector, observe how the cable is routed on the base of the computer to ensure proper installation when  
the connector is replaced.  
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Lift the modem connector out of the computer.  
Replacing the Modem Connector  
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.  
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Align the screw hole in the modem connector with the screw hole in the base of the computer, and then lower the connector into place.  
Replace the M2.5 x 5-mm screw and secure the modem connector to the base of the computer.  
NOTICE: Ensure that the modem connector cable is properly routed before replacing the system board.  
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Replace the system board (see Replacing the System Board Assembly).  
Replace the modem (Replacing the Modem).  
ExpressCard Cage  
Removing the ExpressCard Cage  
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.  

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