What to do when your screen freezes

A frozen screen usually means your computer has stopped responding to mouse clicks and keyboard input, but the machine itself may still be running. The fastest fix is to force-quit the program that stopped responding, which you can do without restarting your whole computer. If that does not work, you have several other options before you need to shut down and restart.

The method you use depends on whether you can still see your cursor move, whether you can access your keyboard, and what operating system you are running. Most freezes last only a few seconds—wait 10 to 15 seconds before trying anything, because the computer may be processing a large task and will unfreeze on its own.

Key Takeaways

  • Wait 10 to 15 seconds first, because many freezes resolve themselves while the computer processes a heavy task.
  • On Windows, press Ctrl + Alt + Delete to open Task Manager, then select the frozen program and click "End Task" to close it without restarting.
  • On Mac, press Command + Option + Escape to open Force Quit, select the frozen process, and click "Force Quit".
  • If you cannot access Task Manager or Force Quit, hold the power button for 10 seconds to force a shutdown, then restart normally.
  • Freezes often happen when one program uses too much memory or when your hard drive is nearly full—check both after the freeze ends.

Force-quit a frozen program on Windows

Press Ctrl + Alt + Delete at the same time. A blue screen will appear with several options. Click Task Manager (it may say "Open Task Manager" or just show as an option in the menu). Task Manager opens in a new window showing all running programs.

Look through the list for any program that says "Not Responding" next to its name. Click on that program once to select it, then click the "End Task" button in the bottom right corner. The frozen program will close, and your screen should become responsive again. You can then reopen the program if you need it.

If Task Manager itself does not open, or if the screen remains frozen after you click "End Task", move to the force shutdown section below.

Force-quit a frozen program on Mac

Press Command + Option + Escape at the same time. A window titled "Force Quit Applications" will appear, showing all open programs. Look for any program with "(not responding)" next to its name.

Click on the frozen program to select it, then click the "Force Quit" button at the bottom right of the window. The program will close when ready. Your screen should return to normal, and you can reopen the program or continue working.

If the Force Quit window does not appear, or if your entire screen remains frozen and you cannot move your cursor at all, proceed to the force shutdown method.

Force shutdown when nothing else works

If Task Manager or Force Quit does not open, or if your entire screen is frozen and your cursor will not move, you will need to shut down the computer by force. Hold down the power button on your computer or laptop for 10 full seconds. Do not just tap it—hold it continuously until the screen goes black and the computer powers off completely. This may take 8 to 12 seconds.

Wait 30 seconds after the screen goes dark, then press the power button once to turn the computer back on normally. Let it boot up completely before opening any programs. This method closes everything without saving, so you may lose unsaved work in any open documents, but it will unfreeze your screen.

On a laptop, if the power button does not work, try holding Ctrl + Option + Command + Power on Mac, or remove the battery if your laptop has a removable battery (most modern laptops do not). If you cannot remove the battery, hold the power button for the full 10 seconds.

Why your screen froze and how to prevent it

Most freezes happen because one program is using too much memory or processing power, or because your hard drive is almost full and the computer cannot write temporary files. After your screen unfreezes, check how much free space you have left. On Windows, right-click your C: drive in File Explorer and select "Properties"—if the blue bar shows less than 10 percent free space, delete old files or programs you no longer use. On Mac, click the Apple menu, select "About This Mac", then click "Storage" to see how much space is left.

If a specific program froze your screen, try closing it completely and reopening it. If it freezes again when ready, the program may have a bug or may not be compatible with your operating system version. Check the program's website or support page to see if an update is available, or try uninstalling and reinstalling it.

Freezes can also happen if your computer is overheating. Make sure the vents on the back and sides of your computer are not blocked by dust or objects, and keep your computer in a cool room. If your laptop feels hot to the touch, shut it down and let it cool for 15 minutes before restarting.

Restart your computer safely after a freeze

After you unfreeze your screen using Task Manager or Force Quit, you do not need to restart your computer right away—you can keep working. However, if you used the force shutdown method, your computer will restart automatically or you will need to press the power button to turn it back on.

When your computer restarts after a force shutdown, it may take longer than usual to boot up, and you may see a message about recovering files or checking the disk. Let it finish this process without interrupting it—this usually takes 2 to 5 minutes. Do not turn off the computer again during this time.

Once your computer is fully restarted and you are back at your desktop, check that all your files are still there. If you had documents open when the freeze happened, they may not have saved, so you may need to redo some work.

When to seek further help

If your screen freezes regularly—more than once a week—the problem may be deeper than a single stuck program. This could mean your hard drive is failing, your computer has a virus, or your operating system needs an update. Run a full virus scan using Windows Defender (on Windows) or the built-in security tools on Mac, and check for operating system updates in your Settings menu.

If freezes continue after you have freed up hard drive space, updated your operating system, and run a virus scan, contact the manufacturer's support line or take your computer to a repair shop. Provide them with details about when the freezes happen—for example, "always when I open Photoshop" or "randomly throughout the day"—because this helps them diagnose the problem faster.

Frequently Asked Questions

How long should I wait before trying to unfreeze my screen?

Wait 10 to 15 seconds. Many freezes are temporary and happen while your computer processes a large file or task. If your screen is still frozen after 15 seconds, then try Task Manager or Force Quit.

Will force-quitting a program delete my files?

Force-quitting closes the program but does not delete your files. However, any work you did in that program since you last saved will be lost. Save your work regularly to avoid losing changes.

Is it bad to hold the power button to shut down my computer?

Holding the power button should only be used when your screen is completely frozen and nothing else works. Doing it regularly can damage your hard drive or corrupt files. Use it as a last resort, not a normal shutdown method.

Can a frozen screen mean my computer has a virus?

A single freeze is usually just a stuck program, not a virus. However, if your screen freezes multiple times a week, a virus could be the cause. Run a full scan with Windows Defender or your Mac's security tools to check.

What should I do if my screen freezes while I am saving a file?

Force-quit the program or restart your computer as described above. When you reopen the program, it may recover an earlier version of your file. If not, you will need to redo the work since the last time you saved.