Troubleshooting - Blog - Page 4 of 8 | macOS Tahoe

Solutions and fixes for common macOS issues. Find answers to problems with apps, system performance, connectivity, and more. - Page 4 of 8

• iPhone Mirroring Not Working in macOS Tahoe 26.4: 8-Step Fix Including Reset iPhone Access
  iPhone Mirroring broken after macOS 26.4? Complete 8-step fix including the poorly-documented Reset iPhone Access step. Audio, hotspot, FaceTime, and VPN conflicts solved.
• iCloud Drive Auto-Downloads Every File in macOS Tahoe 26.4: Cause, Workarounds, and What's Next
  After macOS 26.4, opening an iCloud folder downloads every file inside — burning bandwidth and SSD space. 4 tested workarounds and the brctl evict command explained.
• macOS Tahoe 26.4 Broke Time Machine SMB Backups: nsmb.conf Fix Until 26.5
  macOS 26.4 stricter SMB signing broke Time Machine on Synology, QNAP, UGREEN NAS. Step-by-step nsmb.conf workaround, vendor notes, and 26.5 fix timeline.
• macOS 49-Day TCP Bug: How to Check Your Mac Uptime and Avoid the Network Death Timer
  Discover the macOS XNU kernel TCP bug that kills all network connections after 49.7 days of uptime. Learn how to check your Mac's uptime and protect yourself.
• AirDrop Not Working on Mac: Complete Fix Guide 2026
  Fix AirDrop issues on macOS Tahoe with 15 proven solutions. Covers discovery failures, transfer stuck, Tahoe 26.2-26.3 bugs, and firewall conflicts.
• Touch ID Not Working on Mac After Update: Fix Guide 2026
  Fix Touch ID failures after macOS Tahoe 26.3 update. Covers sensor reset, re-enrollment, SMC fixes, and workarounds for sporadic recognition issues.
• macOS Tahoe 26.3 Bugs & Crashes: Complete Fix Guide for Freezing, Memory Leaks, and Performance Issues (March 2026)
  Fix macOS Tahoe 26.3 problems: system freezing, memory leaks, Time Machine broken, Spotlight not working, Wi-Fi dropping. Complete troubleshooting guide with proven solutions.
• macOS Tahoe 26.3 Broke SSH: Case Sensitivity Changes, DSA Key Deprecation & Complete Fix Guide
  macOS Tahoe 26.3 silently changed SSH username handling to case-sensitive and disabled ssh-dss keys. Complete guide to fixing SSH connections, updating configs, and migrating to Ed25519 keys.
• macOS Tahoe Window Resizing Bug: Why Apple Pulled the Fix and How to Work Around Liquid Glass Issues
  The macOS Tahoe Liquid Glass window resizing bug makes windows nearly impossible to resize. Learn why Apple reverted the 26.3 fix, workarounds using Rectangle and BetterSnapTool, and what's next.
• macOS Tahoe 26.3 External Drive Not Mounting: Complete Fix Guide for the Ghost Drive Bug
  Fix the macOS Tahoe 26.3 Ghost Drive bug where external USB-C, USB-A, and Thunderbolt drives fail to mount. Step-by-step solutions using diskutil, encryption fixes, and workarounds.
• macOS Tahoe 26.2 All Known Bugs, Issues & Fixes Tracker 2026: Complete Troubleshooting Guide
  Comprehensive tracker of all known bugs and issues in macOS Tahoe 26.2 with proven fixes. Covers Firefox freezing, Freeform text duplication, battery problems, Time Machine failures, Bluetooth lag, and more with step-by-step solutions.
• Reset PRAM, NVRAM and SMC on Mac: Intel Keys + Apple Silicon Fix
  Intel Mac: hold Option-Command-P-R for 20 seconds. Apple Silicon has no key combo: shut down, wait 30 seconds, restart. Full steps for every Mac model.