If you find no charts is visible in amibroker software.It may be due to you accidentally close all the charts in amibroker. You need to open Default Charts in Amibroker
Follow these simple steps
In Amibroker Software Select File-> New -> Default Chart
watch the video below
In Amibroker, there are two ways to open a chart. The first is to go to the “Charts” menu and select the “Open Chart” option. This will bring up a dialog box where you can select the symbol you want to chart. The second way is to simply double-click on a symbol in the “Symbols” window. This will open a chart for that symbol using the default settings.
The default chart in Amibroker is a line chart. To open it, simply click on the “Chart” icon in the toolbar. If you want to change the appearance of the chart, you can do so by clicking on the “Appearance” tab in the properties window. You can change the color, width, and style of the line. You can also add a legend and change the scale of the axis.