2.3Remove Base Stand and Base 
Remove the Base Stand
220S2
Place the monitor face on a safe surface, release the stand lock and pull the base stand away from the base column.
220S2 plus
Before you start disassembling the monitor base, please follow the instructions below to avoid damage or injury.
1.Extend the monitor base to its maximum height.
2.Place the monitor face down on a smooth surface, taking care to avoid scratching or damaging the screen.Then lift the monitor stand.
3.Release the lock of base stand then pull the base stand away from the base column.
7