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macOS Troubleshooting Hub — Fix Every Mac Problem | iTech4Mac
Fix your Mac.
macOS troubleshooting
Fix your Mac.
Every problem,
one place.
66+ guides covering startup failures, kernel panics, update errors, Wi-Fi drops, display issues and performance problems — all tested on real Mac hardware.
66+
Fix guides
8
Categories
2026
Up to date
Live filter
What’s your symptom?
Startup & Boot Issues 12 guides
Mac stuck on Apple logo — 7 fixes for Sequoia & Tahoe
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“macOS could not be installed on your computer” — all known fixes 2026
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Mac shows black screen on startup — 6 step-by-step fixes
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Mac freezing or stuck on progress bar at startup — complete fix guide
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How to reset SMC, NVRAM & PRAM on any Mac (Intel & Apple Silicon)
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Mac Recovery Mode: full guide to entering, using & what each option does
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Performance & Slowness 10 guides
Mac freezing in macOS Tahoe & Sequoia — stop the spinning beach ball for good
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How to speed up a slow Mac in 2026 — 12 fixes that actually work
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Mac fan running loud and hot — causes and how to cool it down
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Mac high memory pressure & RAM usage fix — what’s eating your memory
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Kill Microsoft AutoUpdate pop-up on Mac permanently (2026 method)
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macOS Update Errors 9 guides
macOS update stuck on downloading or installing — 8 proven fixes
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macOS Sequoia known problems & bugs — and how to fix each one
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macOS update not showing in Software Update — 5 fixes
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Where to download official old macOS versions (all direct links)
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Display & Graphics Issues 8 guides
Mac external monitor not working or not detected — full HDMI & USB-C fix guide
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Mac screen flickering or flashing — 7 causes and fixes
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Mac display looks blurry or wrong resolution — Retina fix guide
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Wi-Fi & Network Problems 9 guides
Mac Wi-Fi not working or keeps dropping — full fix guide 2026
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iMessage & FaceTime stopping on older Macs? Here’s the real fix
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Mac Bluetooth not working or constantly disconnecting — 6 fixes
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Crashes & Kernel Panics 10 guides
Mac kernel panic: what it means and how to fix it permanently
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Mac apps keep crashing or quitting unexpectedly — diagnosis & fix
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Mac keeps randomly restarting — 8 reasons and fixes
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App Troubleshooting 8 guides
Mac app not opening or stuck launching — complete fix guide
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How to factory reset any Mac before selling it (2026 guide)
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How to uninstall Boot Camp and remove the Windows partition from your Mac
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