Picture drops in the room after the laptop wakes from sleep.
HDMI handshake (HDCP and EDID) renegotiates on wake. Inline extenders, switchers or an overlong cable break that handshake.
support/vergaderzaal-av/hdmi-handshake-na-laptop-wakesteps: 4
Try this first
- Test direct without dongle first
- Set an EDID emulator or fixed EDID on the switcher
- Long runs via HDBaseT or fiber, no passive 15m HDMI
- Keep laptop on lock-screen, not asleep, during a meeting
When to bring us in
Mix of Mac, Windows and USB-C dongles breaks every meeting: install a room PC or BYOM bar so the laptop only feeds content.
See also
- Remote people feel left out in hybrid meetings.Parity is not luck. Camera, mic and facilitation must treat remote attendees equally.
- Camera does not capture everyone around the table.Focal length, placement and auto-framing decide whether the whole table is visible.
- We want to show both the whiteboard and the people.A content camera on the board, a people camera on the table. Two streams.
None of the above fits?
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