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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - When I mirror the screen with Impress and perform a slide show, it behaves strangely."
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=142792">142792</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>When I mirror the screen with Impress and perform a slide show, it behaves strangely.
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>7.0.0.1 rc
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>libreoffice-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>zenpaku@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Description:
On ThinkPad Yoga 370, when I perform HDMI screen mirror and start a slide show
with Impress, the screen movement becomes abnormal.
<a href="https://youtu.be/smeFZlR1r4o">https://youtu.be/smeFZlR1r4o</a>

Steps to Reproduce:
1.Connect a second display with HDMI.
2.Set the screen mode to duplicate.
3.Start a slide show with Impress.

Actual Results:
I confirmed it on the following two types of PCs.
ThinkPad Yoga 370.
ThinkPad X1 Carbon 5th.

Expected Results:
The screen of the PC flashes or malfunctions.


Reproducible: Always


User Profile Reset: Yes


OpenGL enabled: Yes

Additional Info:
I want you to have a normal slide show.</pre>
        </div>
      </p>


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