Blank display on login screen after upgrade to Tahoe 26.2

Szymon · 01-09-2026, 01:22 PM

Hi simona,

I suspect you have enabled FileVault during an upgrade to Tahoe 26.
Check your macOS Settings -> Privacy & Security -> FileVault. If you intend to use external screen before login, this functionality must remain disabled.

PS. I've moved your message to a dedicated thread as it appears to be a unique problem.

Regards,
Szymon

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01-09-2026, 01:22 PM	#2
Szymon DisplayLink Tech Support Join Date: Feb 2010 Posts: 198	Hi simona, I suspect you have enabled FileVault during an upgrade to Tahoe 26. Check your macOS Settings -> Privacy & Security -> FileVault. If you intend to use external screen before login, this functionality must remain disabled. PS. I've moved your message to a dedicated thread as it appears to be a unique problem. Regards, Szymon