Store mode is the shopping mall mode of Samsung monitor, which can be solved by OSD menu setting. Press the brightness button of the monitor to enter the brightness level screen. After pressing the MENU button for more than 5 seconds, you will see the power indicator light flashing and the monitor will exit the Store Mode mode. In addition to SA300 series monitors, Samsung SA330 and SA350 series products occasionally encounter this problem, and the same setting method can be solved.