Just a blank screen or MTP device is not recognized. Google Drive, Preview App or Dropbox etc are interfering with OpenMTP

Solution for Issue: Blank Screen or MTP Device Not Recognized

If you're encountering a blank screen or your MTP device is not being recognized, follow these steps:

1. Reboot Your Mac (IMPORTANT): Simply restarting your machine has resolved the issue for many users.
2. Close Preview App on macOS Ventura: If you are using macOS Ventura or above, try quitting the Preview app. Read more here.
3. Quit Conflicting Apps Completely and Relaunch OpenMTP:
   • Google Drive: GitHub Issue
   • Dropbox: GitHub Issue
   • Preview App on macOS Ventura: GitHub Issue
   • SmartSwitch: GitHub Issue
   • Garmin Express
   • OneDrive
   • iMovie
   • Lightroom MAC
4. Uninstall Samsung Watch Related Drivers: If you have any Samsung watch related drivers installed, uninstall them. Read more here.
5. Check for Applications Locking USB Ports: Some applications might lock onto the USB port once they detect a USB drive. Check if any active apps require USB access, which could be causing the issue.
6. Disable Hotplug Detection: In OpenMTP, disable the Hotplug detection from the Settings. Reconnect your phone and tap on the Refresh button.
7. Enable File Transfer on Your Samsung Phone: Ensure that you have enabled file transfer and accepted the "Enable MTP data access" prompt on your Samsung phone.
8. Uninstall Samsung Switch: For some users, uninstalling Samsung Switch has helped resolve the issue. GitHub Issue.