I am experiencing a persistent „Black Screen“ issue when connecting my Samsung Android device to my Windows PC via USB. This problem occurred immediately after I performed a factory reset on my phone.

Before the reset, everything worked perfectly. Now, the Spacedesk Windows Driver Console shows that a connection is established, but the phone screen remains completely black and unresponsive. Even after unplugging the USB cable, the phone app remains stuck on a black screen (a „ghost session“) and I have to force close the app to exit. Windows Display Settings also fails to detect the secondary monitor.

Environment:

• PC: Windows 10

• Mobile Device: Samsung (Android) OneUI 7

• Connection Type: USB Cable (USB Debugging enabled)

• Driver Version: Latest Samsung USB Drivers installed

Steps I Have Already Taken to Troubleshoot:

1. App Level: Uninstalled and reinstalled the Spacedesk app on Android. Cleared all App Cache and Data. Disabled „Auto-connect“ and „Audio“ in settings.

2. Driver Level: Reinstalled the latest Samsung Android USB Drivers on the PC. Reinstalled the Spacedesk Windows.

3. ADB Connection: Confirmed that adb devices recognizes the phone correctly. Used adb kill-server and adb start-server multiple times.

4. Device Settings: Verified that USB Debugging is ON. Tried switching between „File Transfer“ and „USB Tethering“ modes.

5. Display Settings: Checked Windows Setting but nothing was detected.

6. Network/Firewall: Confirmed that Spacedesk is allowed through Windows Firewall.

7. Rendering: Attempted to switch between „Software“ and „Hardware“ rendering engines in the Android app settings, but since the app jumps straight into a black screen upon connection, it’s difficult to toggle.

Specific Symptom: The most unusual behavior is that even after uninstalling and reinstalling the app, it immediately enters a „black screen session“ as soon as it’s opened, even when the USB cable is disconnected and the PC driver is off. It seems like a „ghost display“ is stuck in the Android system.

Could you please advise on how to completely reset the display session or if there is a known conflict with recent Samsung system updates/factory resets?

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