Sandbox mode help

Ok. After I treat one person I have to open the radiology department. This is for the big hospital with all departments open sandbox mode. How do I open it? It just stays black.:-(

Hi, thanks for the message and welcome to the forum! Any department opens when it has the required room and equipment (which will be already built here) and at least one employee at the day shift at the clinic, so in your case hiring a radiologist for for example an X-Ray room should complete the objective.