Just a blank screen or MTP device is not recognized

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

Reboot Your Mac (IMPORTANT): Simply restarting your machine has resolved the issue for many users.
Close Preview App on macOS Ventura: If you are using macOS Ventura or above, try quitting the Preview app. Read more here.
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
Uninstall Samsung Watch Related Drivers: If you have any Samsung watch related drivers installed, uninstall them. Read more here.
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.
Disable Hotplug Detection: In OpenMTP, disable the Hotplug detection from the Settings. Reconnect your phone and tap on the Refresh button.
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.
Uninstall Samsung Switch: For some users, uninstalling Samsung Switch has helped resolve the issue. GitHub Issue.

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