Here are a few steps you can try to make your Powerpoint presentation display animations in slide transition mode:
- Check your computer system settings and make sure that any internal graphics accelerator is disabled.
- Reboot computer and restart Powerpoint to refresh the system.
- Make sure all of your graphics drivers are up-to-date and properly installed.
- Check the video card settings to make sure that they are configured correctly.
- Disable any visual effects that your system might be running.
- Check presentation settings to ensure that the animation options are active.