Mouse clicks not working as expected Running Ansys Fluent 2019 R3 and using a 4K monitor the mouse clicks with all buttons are registering in different areas where you click. Ansys Fluent 2019 R2 works as expected. The rest of the Fluent interface works fine except in the graphics window. This is a known issue for 2019 R3 for Ansys Fluent
January 25, 2023 at 7:28 amFAQParticipant
Workarounds: There are a few workarounds to this issue: 1. Use a Full HD monitor (basically, don’t use a 4K monitor if possible). If that is not possible, change the resolution of the monitor to Full HD, that is 1920 x 1080. This can be done by right clicking on the Windows Desktop, clicking ‘Display settings’, and changing the resolution to 1920 x 1080. 2. You can also ensure that the ‘Scale’ is set to 100% and not 250%, etc., which is the default recommended setting for 4k. This will work and the graphics selections will work but the text might be almost unreadable because of its small size. 3. Upgrade to Fluent 2020 R1 which is due to be released in early 2020. Notes from Ansys Help regarding 4K Monitors – Ultra High Definition (4K) Graphics Cards: Use of Ultra High Definition (4K) graphics cards may cause a number of cosmetic display issues (including enlarged or reduced text and incorrect positioning of option labels). These issues do not affect the functionality of the installation program. Additional Notes in Ansys Help about TurboGrid 10.4.1.TurboGrid Mouse Behavior Problems Depending on the graphics card and driver version, you may experience problems with the accuracy of mouse clicks in the 3D Viewer. For example, you may try to insert a control point at a given location by using the mouse, but the control point appears at a location far from where you clicked the mouse. If you experience such problems, try lowering the hardware acceleration setting of your graphics card.
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