Dell Precision 7820 Owner's Manual page 58

e Disconnect the following cables:
• SATA 2, 3, 4, 5 cable [1]
• SATA 0,1 cable [2]
• ODD 0, 1 cable [3]
• USB 3.1 cable [4]
• Front system fan cable [5]
NOTE:
connector end. Pulling on the cable wires may loosen them from the connector.
58 Removing and installing components
Do not pull the connector by the cable wires . Instead, disconnect the cable by pulling on the