external screen flipped perpendicular

Connected plugable to windows stream 8 tablet running windows 8.1. Driver loaded. had to buy male to male vga cable and miniusb to usb cable but all is working. Except on the external monitor, display is at 90 degrees. Tried to switch with the plugable software to portrait mode but kept getting message this was not allowed and try different combination. No matter what combo, same error. this comes up only when trying to duplicate. When trying to extend display, no problem? !](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1152760/IMAGE00080_inline.jpg?1423267649)](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1152760/IMAGE00080.jpg?1423267649)

the ‘Screen Resolution’ panel in Windows does not allow changing screen orientation from landscape to portrait


I did plug into another monitor, an epson projector, and this one is just a black screen with nothing showing.