Dell Inspiron One 2020 Owner's Manual page 62

Procedure
1 In sequential order (indicated on the processor heat-sink), loosen the
captive screws that secure the processor heat-sink to the system board.
2 Carefully lift the processor heat-sink away from the system board.
NOTE: The appearance of the processor heat-sink may vary based on your
computer model.
1 processor heat-sink
62
| Processor Heat-Sink
2 captive screws (7)
1
2