Safe Mode loads only the essential programs your operating system needs to run

Safe Mode is a diagnostic startup option that loads Windows or macOS with the bare minimum: the core operating system, basic drivers, and nothing else. No third-party software launches. No startup programs run. No network drivers load (unless you specifically choose network-enabled Safe Mode). This stripped-down environment lets you troubleshoot problems that happen when your full system is running — malware that hides in startup programs, driver conflicts that freeze your computer, or software that corrupts your files.

Safe Mode is not a repair tool by itself. It is a way to see whether a problem exists in your core system or in the extra software you have added. If your computer runs smoothly in Safe Mode but crashes when you restart normally, the problem is almost certainly in one of your installed programs or drivers, not in Windows or macOS itself.

Key Takeaways

  • Safe Mode starts your computer with only essential operating system files, letting you identify whether problems come from installed software or the core system.
  • On Windows 10 and 11, you reach Safe Mode through Settings > System > Recovery > Advanced Startup, or by holding Shift while clicking Restart.
  • On macOS, restart your computer and hold Command+S when ready after the startup sound to enter Single-User Mode, or Command+Option+R for Recovery Mode.
  • Once in Safe Mode, you can uninstall problematic programs, remove malware, update drivers, or run diagnostic tools without interference from background software.
  • Safe Mode is temporary — restarting normally returns you to your full system with all programs and drivers active again.

How to enter Safe Mode on Windows 10 and 11

The easiest path is through your Settings menu. Open Settings, select System, then Recovery. Under "Recovery options," click Restart now next to "Advanced startup." Your computer will restart and show a menu with several options. Select Troubleshoot, then Advanced options, then Startup Settings. Click Restart. When your computer starts again, you will see a numbered list of startup options. Press 4 for Safe Mode, 5 for Safe Mode with Networking (if you need internet access), or 6 for Safe Mode with Command Prompt (if you need to run specific commands).

If you cannot reach Settings — for example, if your computer will not start normally — use the restart shortcut instead. Hold Shift on your keyboard, then click the power icon in the bottom right corner of your screen and select Restart. Keep holding Shift until you see the "Choose an option" screen, then follow the same path: Troubleshoot > Advanced options > Startup Settings > Restart, then press 4 or 5.

A third option works if you have a Windows installation disc or USB drive: insert it, restart your computer, and boot from the disc or drive. When the Windows Setup screen appears, press Shift+F10 to open Command Prompt, then type bcdedit /set {default} safeboot minimal and press Enter. Restart your computer normally, and it will boot into Safe Mode. To exit Safe Mode afterward, open Command Prompt as administrator and type bcdedit /deletevalue {default} safeboot.

How to enter Safe Mode on macOS

macOS does not use the term "Safe Mode," but it has Safe Boot, which serves the same purpose. Shut down your Mac completely. Turn it back on and when ready hold Shift until you see the login window. Release Shift and log in with your password. Your Mac will start with only essential system software and built-in drivers — third-party apps and startup items will not load.

If you need more control — for example, to run disk repair tools or access the command line — use Single-User Mode instead. Restart your Mac and hold Command+S when ready after you hear the startup sound. You will see a black screen with white text and a command prompt. This mode gives you direct access to your hard drive and system files. Type fsck -fy to check and repair your disk, or exit to continue to the normal login screen.

For the most complete diagnostic environment, restart and hold Command+Option+R to enter Recovery Mode. This boots from Apple's recovery partition and gives you access to Disk Utility, Terminal, and other repair tools. You can reinstall macOS, restore from a backup, or run diagnostics without touching your main system files.

What you can do once you are in Safe Mode

The main reason to use Safe Mode is to uninstall or disable software that is causing problems. If your computer crashes or freezes only when you are running a specific program, restart in Safe Mode and uninstall that program through Control Panel (Windows) or Applications folder (macOS). Then restart normally and see whether the problem is gone.

Safe Mode is also the right place to remove malware. If you suspect your computer has a virus or spyware, run your antivirus software in Safe Mode. Malware often tries to block antivirus tools from running, but it cannot interfere if it is not loaded in the first place. Windows Defender (built into Windows) and Malwarebytes are both effective in Safe Mode.

You can also update drivers in Safe Mode, though the process is slower because network drivers may not be active. If you suspect a driver is causing crashes, Safe Mode with Networking lets you read a new driver from the manufacturer's website, then install it. Restart normally and test whether the problem is solved.

How to exit Safe Mode and return to normal startup

On Windows, straightforward restart your computer normally. Windows will automatically boot with all your programs and drivers active again. You do not need to change any settings — Safe Mode is a one-time startup option, not a permanent change.

On macOS, restart your computer without holding any keys. Your Mac will boot normally with all third-party software and startup items active again. If you used Single-User Mode and want to return to the graphical login screen, type exit at the command prompt.

When Safe Mode does not solve the problem

If your computer runs fine in Safe Mode but still crashes or freezes when you restart normally, the problem is in one of your installed programs or drivers. The next step is to identify which one. Restart in Safe Mode again, then uninstall programs one at a time — start with the most recently installed ones. After each uninstall, restart normally and test. When the problem stops, you have found the culprit.

If your computer has the same problem even in Safe Mode, the issue is in your core operating system or hardware. At this point, you may need to run Windows Repair (on Windows) or use Disk Utility to repair your drive (on macOS). If those tools do not help, the problem may be a failing hard drive, bad RAM, or a hardware component that needs replacement.

Safe Mode with networking and other startup options

Windows offers several Safe Mode variants. Safe Mode (option 4) loads only the absolute essentials. Safe Mode with Networking (option 5) adds network drivers so you can access the internet and read files. Safe Mode with Command Prompt (option 6) opens a command-line interface instead of the graphical desktop — use this if you need to run specific commands or if the graphical interface itself is not loading.

Choose Safe Mode with Networking if you need to read a driver update or antivirus software. Choose Safe Mode with Command Prompt only if you know what commands you need to run — the graphical Safe Mode is usually easier for most troubleshooting tasks.

Frequently Asked Questions

Will Safe Mode delete my files or programs?

No. Safe Mode only changes what loads at startup. Your files, programs, and settings remain unchanged. When you restart normally, everything returns to how it was. Uninstalling a program in Safe Mode removes it permanently, but that is your choice — Safe Mode itself does not delete anything.

Can I use Safe Mode to remove a virus?

Yes. Viruses and malware often prevent antivirus software from running when your full system is loaded. In Safe Mode, the malware is not active, so your antivirus tool can scan and remove it. Use Safe Mode with Networking if you need to read antivirus software first.

Why is my computer slower in Safe Mode?

Safe Mode loads fewer drivers and services, so some hardware may not work at full speed. Network connections are often slower, and graphics may look less polished. This is normal and temporary — restarting normally restores full performance.

What if I cannot reach the Settings menu to start Safe Mode?

Use the Shift+Restart method instead: hold Shift, click the power icon, and select Restart. If your computer will not start at all, you will need a Windows installation disc or USB drive to access the Advanced Startup menu.

Is Safe Mode the same on all versions of Windows?

The basic concept is the same, but the steps differ slightly between Windows 7, Windows 10, and Windows 11. Windows 7 uses the F8 key during startup, while Windows 10 and 11 use the Settings menu or Shift+Restart method. Check your Windows version in Settings > System > About if you are unsure which steps to follow.