What should I do if my desk cannot be raised or lowered after being assembled? Please reset the settings once the desk assembly is completed. Press and hold the "Up" and "Down" button simultaneously for 5 seconds. The desk will automatically move down to the lowest point and stop, indicating a successful reset. How to reset the settings when the motor stops working? Press and hold the "Up" and "Down" button simultaneously for 5 seconds. The desk will automatically move down to the lowest point and stop, indicating a successful reset. How to preset the memory height? Press and hold the "Up" or "Down" button to adjust to the desired height, then press and hold the "1" or "2" key for 3 seconds to store the current height to the corresponding memory position. Does the desk include casters? Our standing desk doesn't come with casters, but rubber pads.