Introduction
The power supply keeps the TiVo fully functioning with power. if some component is bent or needs replacement then the supply may need to be fixed; here is how to replace the power supply.
Tools
- 
                  
                  - 
            Power down the TiVo Premiere XL4 by detaching the power cable from the unit and power source. 
 
- 
            
- 
                  
                  - 
            Take the outer casing by sliding the top of the box off of the component carefully, making sure not to damage the surrounding components inside. 
 
- 
            
- 
                  
                  - 
            Remove the 140 mm T8 screw from the back of the TiVo premiere XL4 box holding the power supply in place using a Torx screwdriver. 
 
- 
            
                            
                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.