Service Manual
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 Subwoofer  
Dell™StudioXPS™1640ServiceManual 
Removing the Subwoofer  
Replacing the Subwoofer  
 
Removing the Subwoofer  
 
1. Follow the instructions in Before You Begin.  
 
2. Remove the palm rest (see Removing the Palm Rest).  
 
3. Disconnect the subwoofer cable from the system board connector.  
 
4. Lift the subwoofer out of the computer base.  
Replacing the Subwoofer  
 
1. Place subwoofer in the computer base.  
 
2. Connect the subwoofer cable to the system board connector.  
 
3. Replace the palm rest (see Replacing the Palm Rest).  
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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.
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: Onlyacertifiedservicetechnicianshouldperformrepairsonyourcomputer.DamageduetoservicingthatisnotauthorizedbyDell™isnot
covered by your warranty.
NOTICE: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working inside the 
computer.
1 
subwoofer 
2 
subwoofer cable connector 
NOTICE: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in 
damage to the computer.










