What to Do When Your Computer Freezes Up

Your screen stops responding. The mouse won't move, or it moves but nothing happens when you click. The keyboard does nothing either. This is what people mean by a "frozen" computer — it's stuck, not broken, and it usually doesn't mean something expensive happened.

A freeze can feel alarming, especially if you were in the middle of something. Take a breath first. In most cases you can get your Windows PC or Mac working again in a minute or two, and nothing is lost except maybe a few seconds of work you hadn't saved yet.

This guide walks through what to try, in order, for both Windows and Mac computers. It also covers when a freeze might be a sign of something else going on, and what to do if nothing here works.

Why computers freeze

A freeze usually means one program is using so much of the computer's attention that everything else has to wait its turn. Common causes include having too many programs open at once, a program running into trouble, or a computer that's overdue for updates. Less often, freezing that keeps happening can be a sign of malware — harmful software that got onto the computer without your permission. If your computer freezes often, it's worth reading the signs your computer may have malware.

On a Windows PC: try these steps in order

1. Wait a moment. Give the computer thirty seconds to a minute. Sometimes a program is working hard — saving a large file, for example — and it comes back on its own.

2. Close just the stuck program. Press Ctrl, Alt, and Delete at the same time, then choose "Task Manager." Find the program marked "Not Responding," click it, and choose "End task." This closes only that program and leaves everything else running.

3. Force a quick restart. If Task Manager won't open either, press Ctrl, Alt, and Delete again, hold down Ctrl, and click the power icon in the corner of that screen, then choose Restart. This skips the normal shutdown and restarts right away, so anything you hadn't saved will be lost.

4. Hold the power button, as a last resort. If the computer ignores the keyboard and mouse completely, press and hold the physical power button for about ten seconds until the screen goes black. Wait a few seconds, then press it again to turn the computer back on.

On a Mac: try these steps in order

1. Wait a moment. Same idea — give it thirty seconds before doing anything else.

2. Force quit just the stuck app. Press Option, Command, and Esc at the same time. A small window lists your open apps, often showing "(Not Responding)" next to the one that's stuck. Select it and click "Force Quit."

3. Try the Apple menu instead. If that shortcut doesn't work, click the Apple menu in the top-left corner and choose "Force Quit…" from the list. It opens the same window.

4. Hold the power button, as a last resort. If the whole Mac is frozen and nothing responds, press and hold the power button (or Touch ID button, on newer models) until the screen goes black, wait a few seconds, then press it again to restart.

What you might lose

Being honest about the trade-off: force-quitting a program or forcing a restart can lose changes you hadn't saved yet in that program or in other open programs. Restarting itself won't harm your computer. If you were in the middle of something important, it's worth giving a slow program a little extra time before forcing it closed, in case it's working rather than truly stuck.

What to do if you're stuck

If your computer freezes often — especially alongside pop-ups, unusual slowdowns, or programs you don't remember installing — that pattern is worth paying attention to. It can be a sign of malware. If you'd rather have someone look at what's actually causing it, Porchswing can help in your home or remotely.

If you want quiet protection on your Windows or Mac computer — with a real Porchswing person to call — learn about PorchswingProtect. Or call us at (916) 521-0065 and we'll help you set it up.

Common questions

Will restarting my computer delete my files?

No. Restarting — even a forced one — doesn't delete files you've already saved. It can lose changes to something you hadn't saved yet in a program that was open.

My computer freezes every day. Is that normal?

No. An occasional freeze happens to everyone, but a computer that freezes daily usually needs attention — updates, more free space, or a check for malware.

The screen is frozen but I can still hear sound. Is that still a freeze?

Yes. The part of the computer handling your screen has stopped responding even though other parts keep running. The steps above still apply.