Introduction
Tools
- 
                  
                  - 
            Disconnect the hard drive thermal sensor by pulling the connector away from its socket parallel to the face of the hard drive. 
 
- 
            
- 
                  
                  - 
            Press the hard drive bracket down toward the bottom edge of your iMac to free it from the rear case, then rotate the top of the drive toward yourself. 
- 
            Lift the hard drive off its lower pins and pull it out of the rear case, minding the cables that are still attached. 
 
- 
            
- 
                  
                  - 
            Insert the flat end of a spudger into the gap between the SATA power connector and the hard drive. 
- 
            Twist the spudger to separate the SATA power connector from the hard drive. 
- 
            Pull the SATA power connector away from the hard drive. 
 
- 
            
                            
                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.