Activated cell

HiI want active a cell that it was not perivously activated and located in middle of the grid.When I try to active this cell, activated cell is not correct and locates on other cells.How can I active this cell?

Information on activating and deactivating cells is available here: We haven’t seen any issue like the one you are describing. Please let us know the EE version and provide screen captures so we can better understand the problem you are referring to. Do you have any unusual screen resolution settings?