Introduction
When you power up the router, after 4 seconds the power light changes from green to yellow.
Sometimes this is related to a corrupted firmware, but other times is related to a faulty power supply.
In this guide I'll show you how to diagnose this issue and fix by replacing one single component from the power supply.
Tools
Parts
- 
                  
                  - 
            Insert your X-Acto knife on the groove in order to remove part of the glue that is holding the two parts. 
 
- 
            
- 
                  
                  - 
            Using your prying tools or a butter knife, slide it in and then bend it until you ear it pop. 
 
- 
            
- 
                  
                  - 
            On the board of the power supply you'll probably see the faulty capacitor. Is the one on the right that has swollen. 
 
- 
            
                            
                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.