How to adjust the 2nd display of Dual screen Pos

- Oct 18, 2018-

  What should I do if the dual-screen cash register display sub-screen does not display properly when the power connection is normal?

  This is a problem with the settings of display,  The extended screen settings on the computer are not set. Just click the right mouse button on the system desktop, and set the figures according to the below pictures, it can solve the problem.

Duplicate display setting

 Pos Extend display setting

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