macOS5 checks
A Mac display stays dark
A running Mac with one wired external display. Not internal-screen failure, damaged equipment, or a multi-display capacity solver.
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Investigation / A clearer next check
Not connecting?
Keep the clues.
Choose the exact symptom. Record one appropriate check at a time. Keep a useful account of what changed—and what did not.
Before touching equipment
Stop for visible damage, unusual heat or smell, liquid, possible data loss, or a restricted setting. Do not open equipment, change electrical supplies, erase storage or bypass security.
Start with the symptom
Which situation matches?
macOS5 checks
A Mac display offers the wrong mode
One detected Mac external display with unexpected resolution or refresh options. No bandwidth, compression, gaming-mode or multi-display guarantee.
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Windows 115 checks
Windows does not show the external display
One wired external display on Windows 11. Wireless displays, driver removal, registry edits and multi-monitor expansion are not covered.
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Windows 115 checks
A webcam is unavailable in Windows
A Windows 11 camera permission or application-detection issue. This is not a camera specification, driver installer or permission-policy bypass.
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Focusrite / supported OS5 checks
A Focusrite USB interface is not detected
Focusrite USB audio interfaces and their documented computer connection. Not Thunderbolt-only products, analogue wiring, firmware flashing or cross-brand guidance.
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macOS5 checks
A storage device is missing on a Mac
Observation-only inventory in macOS Disk Utility. No writing, repair, mounting, unlocking, initialization, formatting or recovery procedure.
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macOS5 checks
A Mac reports USB devices disabled
The named macOS external-accessory warning. No charger selection, supply substitution, electrical repair or continued use of damaged equipment.
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Original Elgato Facecam5 checks
An original Facecam reports a USB requirement
The original Facecam covered by the linked Elgato support article. Do not transfer this workflow to Facecam MK.2, Neo or Pro without their own guidance.
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