You mean the tree-view list takes up the whole star map window? Or that the half with the graphical star map is just blank?
A picture of the issue says more about your issue than your computer specs.
If it is the former, it is because the split containing is collapsed to the left. You can find the split barrier and drag it out.
A picture of the issue says more about your issue than your computer specs.
If it is the former, it is because the split containing is collapsed to the left. You can find the split barrier and drag it out.