Blog

iPad displays, Sidecar and monitor-free Mac minis.

Practical, tested guides from the people who built SideMini. No fluff, honest limits, real steps.

Sidecar basics

How to use your iPad as a second monitor for your MacBook or Mac

Turn an iPad into a second screen for a MacBook, iMac or Mac mini with Sidecar: what you need, the exact steps, and how to make it connect itself.

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Mac mini setup

How to connect an iPad to a Mac mini, with or without a monitor

Use an iPad as a Mac mini's screen, with or without a monitor: first-time Sidecar setup, USB pairing, and the restart test to run before you travel.

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Headless

How to use a Mac mini without a monitor

Every practical way to run a headless Mac mini: Screen Sharing, dummy plugs, SSH, hardware dongles and an iPad. What works, and what breaks at boot.

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Troubleshooting

Sidecar not working? 10 fixes when your iPad won’t connect

iPad missing from Screen Mirroring, a device-not-found error, or a connection that keeps dropping? Ten checks in the order that finds it fastest.

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Comparison

Sidecar vs Luna Display vs Duet Display for a Mac mini

Which iPad-as-display option fits a Mac mini? Cost, latency, headless support and setup compared across Sidecar, Luna Display, Duet and SideMini.

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Security

Headless Mac mini, FileVault and automatic login: what actually happens at boot

Why a monitor-less Mac stalls at boot, how FileVault and automatic login interact, and the three honest ways to reach the desktop with nobody there.

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Server & LLM box

How to turn a Mac, even an old MacBook, into an always-on LLM server

Run Ollama or LM Studio on a Mac mini or a spare MacBook that never sleeps: what to install, how to stop it sleeping, and how to reach it headless.

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Troubleshooting

Sidecar stopped working after a macOS update: what to check

Sidecar worked yesterday and the update broke it. The six checks that fix almost every case, and how to tell a real regression from a settings reset.

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Sidecar basics

Wired or wireless Sidecar: latency, battery and when each one wins

Cable or Wi‑Fi for Sidecar? What actually differs in responsiveness, battery and reliability, and why the wired path fails on some Macs.

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Server & LLM box

Mac mini as a home server: the complete setup

Turn a Mac mini into a quiet home server: remote access, never sleeping, restarting after a power cut, storage, and what to do about FileVault.

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Server & LLM box

Running Ollama on a Mac mini around the clock

Serve local models from a Mac mini that never sleeps: install, expose it on your network, keep it awake, and reach it when the machine has no monitor.

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Server & LLM box

Wake-on-LAN on a Mac, in practice

What “wake for network access” actually does on a Mac, why it works over Ethernet and rarely over Wi‑Fi, and how to wake a sleeping Mac reliably.

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Headless

Reaching a Mac with no monitor: Screen Sharing, SSH and the blank-desktop problem

How to control a Mac that has no display: Screen Sharing, SSH, VNC and private networks, plus why the remote picture is blank and how to fix it.

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Headless

HDMI dummy plugs: what they do, and when you do not need one

What an HDMI dummy plug actually does for a headless Mac, which resolution to buy, the problems it causes, and the software alternative.

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Sidecar basics

Which iPads and Macs support Sidecar, and what else has to be true

Every iPad and Mac model Apple lists for Sidecar, the software and settings it also needs, and how to tell in thirty seconds whether yours will work.

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Comparison

Sidecar vs Universal Control: which one you actually want

Sidecar turns an iPad into a Mac display; Universal Control keeps the iPad an iPad and shares one keyboard and mouse. When each wins, and the case only one can do.

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Server & LLM box

Make a Mac mini turn itself back on after a power failure

Set a Mac mini, Mac Studio or iMac to start up by itself when power returns, on every recent macOS, then get it past login so your services come back.

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Server & LLM box

Set up a Mac mini to run AI agents around the clock

Run OpenClaw, Claude Code or a local model on a Mac mini that never stops: which Mac, a separate user, staying awake, surviving reboots, macOS permissions.

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Sidecar basics

How to make Sidecar connect automatically at login

macOS has no auto-connect for Sidecar. The fastest manual route, keyboard shortcuts, scripts and login items that start it for you, and where each one fails.

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