I don't know how , but when day my computer screen flipped sideways . I pressed F4 to get it back the right way . A drop menu appeared and I clicked on duplicate second screen only then my screen completely blacks out . Help !
I don't know how , but when day my computer screen flipped sideways . I pressed F4 to get it back the right way . A drop menu appeared and I clicked on duplicate second screen only then my screen completely blacks out . Help !
I don't know how , but when day my computer screen flipped sideways . I pressed F4 to get it back the right way . A drop menu appeared and I clicked on duplicate second screen only then my screen completely blacks out . Help !
I don't know how , but when day my computer screen flipped sideways . I pressed F4 to get it back the right way . A drop menu appeared and I clicked on duplicate second screen only then my screen completely blacks out . Help !