Article ID: 2486146 - View products that this article applies to.
While using the Magnifier accessibility tool, you may experience display corruption if you have enabled the color inversion option and have rotated the display 90° or more. This may be particularly noticeable on Tablet PCs as screen rotation is more commonly needed.
No workaround is available at this time. It is recommended that if possible, the display remains in its standard position or the color inversion option remains disabled.
By following these steps you will likely reproduce this issue:
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.