Issue Description
Mac remains unresponsive after waking from sleep or shows a black screen.
Common Causes
- USB devices causing wake failure
- Graphics driver issues
- Power management glitches
Step-by-Step Solution
Step 1: Disconnect Peripherals
- Remove all USB devices
- Attempt wake again
Step 2: Reset Power Management
- Intel Macs: Reset SMC
- Apple Silicon: Shut down → wait 30 seconds → power on
Step 3: Check Wake Logs
- Open Terminal
pmset -g log | grep -i wake
Step 4: Update macOS
- Install latest updates
Explore Further
- Disable Power Nap
Prevention & Best Practices
Avoid sleep while external devices are active.