grayed out screen


After embrioderying on my Janome 12000 and returning to normal sewing. My screen with the stitches are all grayed out expect for the first three stitches and I cannot turn the page to the next option of stitches. The double needle is also grayed out.
Does anyone have any ideal of the problem or do I have to take it to my dealer.  Thanks
Susie B

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