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## Environment MacBook Pro 14" (M1 Pro) running macOS 14.2 with a Thunderbolt 4 docking station. Dock provides two 4K displays, Gigabit Ethernet, and a bus-powered USB‑C audio interface (class-compliant) used at 96 kHz/24-bit. Power adapter connecte...
## Environment MacBook Pro 16-inch (Apple silicon), macOS 14.1; external HDMI monitor connected via Thunderbolt 4 dock that exposes a DisplayPort-to-HDMI adapter; HDR enabled in System Settings; app (video player) uses Metal with GPU selection hint ...
## Environment MacBook Pro (Apple Silicon M1 Pro) running macOS 13.5 connected via USB‑C dock to an external 4K HDR-capable HDMI monitor. The MacBook is used in clamshell mode (lid closed) with external keyboard and mouse. Built-in display disabled ...
## Environment MacBook Pro 16" 2019 running macOS 13.6, external eGPU (Radeon RX 5700 in Thunderbolt 3 enclosure) connected via TB3, Safari 16.6 and Chrome tested, built-in FaceTime camera and USB UVC external cameras both show the black square only...
## Environment MacBook Pro (Intel) running macOS Monterey 12.6.2; Focusrite 2i4 USB‑C audio interface connected to a CalDigit Thunderbolt 4 dock; Logic Pro and Zoom both used; sample rates tested: 44.1kHz, 48kHz (OK), 96kHz (dropouts) ## Symptoms ...
## Environment MacBook Pro 2019 running macOS 12.6.5, Apple Mail 14.0, corporate VPN (IKEv2) provided by company ASA gateway; split-DNS pushes internal DNS suffix and internal resolver 10.8.0.2 over tunnel; normal Wi‑Fi (home/coffee) and cellular te...
## Environment macOS 13.6 MacBook Pro (Apple Silicon) using Time Machine to a Synology SMB share (SMB protocol, SMB3 negotiated). User enabled 'Back Up Automatically' and also added the SMB mount point to Spotlight indexing in System Settings. Local...
## Environment MacBook Pro 14-inch (M1 Pro) running macOS Ventura 13.5, connected to Belkin Thunderbolt 4 dock via native Thunderbolt cable; dock uses HDMI 2.0 to LG 4K60 HDR monitor. Problem started after macOS update to 13.5. ## Symptoms When pl...
## Environment MacBook Pro (Apple Silicon or Intel variant) running macOS 13.6, connected to a Thunderbolt 4 dock feeding two 4K@60Hz displays, external NVMe enclosure and Ethernet. Issue reproducible immediately after connecting dock via a single T...
## Environment MacBook Pro running macOS 13.5.2 with integrated Intel/Apple Silicon graphics, Apple TV 4K on same home Wi‑Fi (802.11ac), both devices show as 'Connected' in Control Center and TV app; AirPlay used for screen mirroring and app video s...