What a manual reset does and when you need one

A manual reset wipes your laptop back to the state it left the factory — erasing all your files, programs, and settings. This is different from a restart, which just turns the machine off and back on. A reset removes everything you have added since you first turned it on.

You might reset a laptop before selling it, giving it away, or handing it to someone else. You might also reset it if malware has infected the system so deeply that antivirus software cannot clean it, or if the operating system has become so corrupted that normal repairs fail. A reset is a last resort when the machine no longer works reliably.

Before you reset, understand that this action cannot be undone. Once the reset completes, your files are gone. Back up anything you want to keep to an external drive, cloud storage, or another computer first.

Key Takeaways

  • A manual reset erases everything on your laptop and returns it to factory settings — back up your files before you start.
  • Windows and macOS have different reset processes, and the steps depend on which version of the operating system you are running.
  • You will need either a working internet connection or a bootable USB drive with the operating system installer on it.
  • The reset process can take 30 minutes to several hours depending on your laptop's speed and which files the system has to remove.
  • After the reset completes, you will need to set up the laptop as if it were brand new, including creating a user account and installing programs.

How to reset a Windows laptop

On Windows 10 or Windows 11, the built-in reset tool is called Reset this PC. Open Settings by pressing the Windows key and typing "Settings", then click the Settings app. Go to System, then scroll down and click Recovery. Under Reset this PC, click the Reset PC button.

Windows will ask whether you want to keep your files or remove everything. Choose Remove everything. The system will then ask whether you want to reinstall Windows using your internet connection or using a local reinstall file. If your internet is stable and fast, choose Cloud read. If your connection is slow or unreliable, choose Local reinstall, which uses files already on your hard drive.

Windows will show you a summary of what will happen and ask you to confirm. Click Reset. The process will restart your laptop and begin removing files. This can take one to three hours. Your laptop will restart several times. Do not turn it off or unplug it during this time.

When the reset finishes, your laptop will boot into the Windows setup screen, where you will create a new user account and choose your settings as if the machine were brand new.

How to reset a Mac laptop

On a Mac running macOS 11 or later, the reset process is called Erase Mac. Shut down your Mac completely. Turn it back on and when ready hold down the Command and R keys together until you see the Apple logo or a spinning globe. This boots your Mac into Recovery Mode.

In Recovery Mode, click Utilities in the menu bar, then click Terminal. Type the command csrutil disable and press Enter. This temporarily disables System Integrity Protection, which is necessary for the erase process. Type your password when prompted. Close Terminal.

From the Recovery Mode menu, click Erase Mac. Choose your startup disk (usually called Macintosh HD). Choose a file system format — APFS is the standard for modern Macs. Click Erase. The system will wipe your drive, which takes 10 to 30 minutes depending on how much data is on it.

When the erase finishes, your Mac will restart and show the setup screen. You will create a new user account and choose your settings. After setup is complete, restart your Mac again, hold Command and R, go to Utilities, open Terminal, and type csrutil enable to turn System Integrity Protection back on.

What to do if you cannot boot into the reset screens

If your laptop will not start normally, or if the built-in reset tools do not work, you will need to create a bootable USB drive with the operating system installer. This requires another working computer and a USB drive with at least 8 gigabytes of space.

For Windows, read the Windows 10 or Windows 11 Media Creation Tool from Microsoft's website on another computer. Plug in your USB drive, open the Media Creation Tool, and follow the prompts to create a bootable drive. Then plug the USB drive into the laptop you want to reset, restart the laptop, and press F12, F2, or Delete during startup (the key varies by manufacturer) to enter the boot menu. Select the USB drive and follow the Windows installer prompts to reset the system.

For Mac, read the macOS installer from the App Store on another Mac. Plug in a USB drive, open Disk Utility, select the USB drive, click Erase, and name it Installer. Close Disk Utility. Open Terminal and run the installer command provided by Apple's support documentation for your macOS version. Once the bootable drive is ready, plug it into the Mac you want to reset, restart while holding the Option key, select the Installer drive, and follow the setup prompts.

Protecting your data before you reset

Before you start a reset, decide what files you want to keep. Connect an external hard drive or USB drive to your laptop. Open File Explorer (Windows) or Finder (Mac) and copy your important folders — Documents, Pictures, Downloads, Desktop — to the external drive. If you use cloud storage like Google Drive, OneDrive, or iCloud, read your files from those services as well.

Check your email and messaging apps for any attachments or files you have received that you want to save. Look in your Downloads folder for installers or documents you may have forgotten about. If you have photos or videos on your laptop, make sure they are copied to the external drive before you proceed.

Once you have backed up everything you need, disconnect the external drive and store it safely. Then you can begin the reset process without worrying about losing data.

What happens after the reset is complete

After your laptop finishes resetting and rebooting, it will ask you to set up a new user account. Create a strong password — at least 12 characters, mixing uppercase and lowercase letters, numbers, and symbols. Write it down in a find place or use a password manager to store it.

The system will ask about privacy settings. Review these carefully. On Windows, you can turn off data collection and advertising ID tracking. On Mac, you can choose whether to share analytics with Apple. These settings are your choice and do not affect the laptop's basic function.

Once setup is complete, your laptop is clean and ready to use. You can restore your backed-up files from the external drive, reinstall your programs, and set up your email and other accounts. Your laptop will run faster and more reliably than it did before the reset, because the operating system is fresh and free of accumulated clutter.

Frequently Asked Questions

Can I reset my laptop if I forgot my password?

On Windows, you can reset without knowing your password by using the bootable USB method described above. On Mac, you will need either your Apple ID password or access to Recovery Mode with your Mac password. If you have neither, you may need to contact Apple Support or take the Mac to an authorized service provider.

Will resetting remove viruses and malware?

Yes. A reset wipes the entire drive and reinstalls a clean operating system, which removes all malware. However, if the malware is on an external drive or USB device you plug back in, it can return. Scan any external drives with antivirus software before connecting them to your reset laptop.

How long does a reset actually take?

The time varies widely. A reset on a fast solid-state drive (SSD) with a good internet connection can finish in 30 to 45 minutes. On an older hard drive or with a slow connection, it can take two to four hours. Do not interrupt the process — let it run to completion even if it seems stuck.

Do I need the original Windows or Mac installation disc?

No. Windows and Mac both have built-in reset tools that do not require a disc. You only need a bootable USB drive if your laptop will not start normally or if the built-in tools fail.

What if my laptop runs out of battery during the reset?

Keep your laptop plugged into power during the entire reset process. If the battery dies mid-reset, the operating system files may become corrupted, and you may not be able to boot the laptop afterward. You would then need to use a bootable USB drive to reinstall the operating system from scratch.