Step 1. Press the plastic clip on the plug in the shown direction. 
Step 2. Gently pull out the cable from the connector while keeping the clip pressed down.
Display panel overview
The diagnostics device consists of an LCD display and 5 navigation buttons.
1  LCD display
2  Scroll buttons (up/down/left/right) 
Press the scroll buttons to locate and select system 
information.
3  Select button  
Press the select button to select from the options in the 
menu.
38 ThinkSystem SR650 V2Maintenance Manual