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Enable 144Hz on Acer EI491CR monitor - Acer Community
<main> <article class="userContent"> <h3 data-id="how-do-i-setup-my-monitor-to-display-144hz">How do I setup my monitor to display 144Hz?</h3> <p>You can configure the Acer EI491CR monitor to display up to 144Hz using the Display Port connection. You can see a list of supported resolutions and refresh rate for each port below.</p> <p><b>DP (1.2):</b> 3840x1080 supports 120Hz (Supports overclocking up to 144Hz, but there is no guarantee for normal operation under Overclocking and<br>FreeSync "Extreme" mode).<br><br><b>HDMI (2.0):</b> 3840x1080, supports up to 120Hz.<br><br><b>HDMI (1.4):</b> 3840x1080, supports up to 60Hz.</p> <p><strong>Enable 144Hz:</strong><br></p><ol><li>Press the <b>Menu</b> button on the monitor. The menu button is labeled with the number <b>4</b> in the image below.<br><br><img src="https://us.v-cdn.net/6029997/uploads/migrated/acer_final/63581/osd.png" width="200" alt="image" class="embedImage-img importedEmbed-img"></img></li> <li>Use the down arrow on the remote to highlight <b>System</b> and press <b>OK</b>.</li> <li>Use the down arrow on the remote to highlight <b>DFHD-144Hz Mode</b> and change the mode to <b>ON</b></li> </ol><p>Note: Overclocking (144Hz-Mode) may result in flickering or other adverse effects in some scene modes. It may be possible to resolve or reduce flickering effects by setting a lower refresh rate. When Overclocking is enabled, Over Drive will be automatically set to Off.</p> <meta content=""></meta> </article> </main>