How to Factory Reset a Laptop (To Fix It, or To Wipe It Properly Before You Sell)

Two reasons to reset, and why it matters which one you’re doing

Before you touch anything, get clear on why you're resetting, because it changes what you should do.

If you're resetting to fix a problem (a slow laptop, constant crashes, a virus you can't shift, or to clear out years of junk), you want a standard reset that keeps the laptop usable. You're staying the owner, so you don't need to scorch the earth, you just need a clean start.

If you're resetting because the laptop is leaving your hands (selling it, gifting it, donating it, trading it in, or recycling it), you need to make sure your personal data is genuinely gone, not just hidden. That's a different job, and the back half of this guide covers it.

One quick note if you're resetting to fix a problem. A reset is a big hammer, and sometimes a smaller fix sorts the issue without wiping everything. If your laptop is just misbehaving rather than truly broken, it can be worth trying to start it in Safe Mode first to undo whatever caused the trouble. If you've already been down that road, a reset is a fair next step.

Before you reset: back up and sign out of your accounts

Whichever camp you're in, do these two things first. Skipping them is the most common way people create a headache for themselves.

Back up anything you want to keep

A reset wipes your files, so copy anything you want off the laptop first. Photos, documents, downloads, anything in your desktop and your folders.

Back up to an external drive, a USB stick, or a cloud service like OneDrive, Google Drive, or iCloud. Don't assume anything is saved in the cloud automatically, check it's actually there before you wipe.

Sign out of your accounts first

This is the step people forget, and it causes activation problems for the next owner (and sometimes for you). Sign out and deauthorise your accounts before you reset, not after.

The big one is your Microsoft account or Apple ID. On a Mac especially, you must turn off Find My and sign out of your Apple ID, or the laptop stays locked to you and the new owner can't use it. Also deauthorise software that ties licences to the device, like Adobe Creative Cloud and iTunes, and turn off any "trusted device" links for your bank or password manager.

How to factory reset a Windows 11 laptop

Windows has a built-in reset tool, so you don't need any extra software for a standard reset.

The standard reset (keep or remove files)

1. Open Settings (press the Windows key and I together).
2. Go to System, then Recovery.
3. Next to Reset this PC, click Reset PC.
4. Choose Keep my files (for fixing a problem while keeping your documents) or Remove everything (for selling or a clean slate).
5. Choose Cloud download (fetches a fresh copy of Windows from Microsoft) or Local reinstall (uses what's already on the laptop). Cloud download is more reliable if the laptop has been playing up.
6. Follow the prompts and let it run. It usually takes 30 minutes to a couple of hours.

The "clean the drive" option (use this before selling)

If you chose Remove everything because the laptop is leaving your hands, there's one more setting that matters.

On the way through, click Change settings and turn on the option to clean the data (sometimes worded as "Clean data" or "fully clean the drive"). This overwrites the drive rather than just removing the signposts, which is what actually makes your old files hard to recover.

It takes longer, sometimes a few hours, but for a laptop you're handing to a stranger, it's worth it. Plug into power and leave it running.

How to factory reset a Windows 10 laptop

Windows 10 is almost the same, just in a slightly different spot in the menus.

1. Open Settings (Windows key and I).
2. Go to Update and Security, then Recovery.
3. Under Reset this PC, click Get started.
4. Choose Keep my files or Remove everything.
5. Choose Cloud download or Local reinstall.
6. If you're selling the laptop, click Change settings and turn on the clean data option to overwrite the drive.
7. Follow the prompts and let it finish.

How to factory reset a Mac

The method depends on how new your Mac is. Most Macs from the last few years (Apple Silicon, or Intel models with the T2 chip) have a simple built-in option.

1. Open System Settings (or System Preferences on older versions).
2. Look for Erase All Content and Settings. On newer Macs it's under General. This is the cleanest way and it handles signing out of your accounts for you.
3. Follow the prompts, enter your password, and let it erase.

If your Mac is older and doesn't have Erase All Content and Settings, you'll need to sign out of iCloud and your Apple ID manually, then restart into Recovery mode and use Disk Utility to erase the drive, then reinstall macOS. If that sounds fiddly, it is, and it's a fair point to ask for a hand.

Because Macs encrypt their drive by default with FileVault, erasing a Mac this way also makes your old data unreadable, which is good news if you're selling it.

How to factory reset a Chromebook

Chromebooks are the easiest of the lot, using a feature called Powerwash.

1. Sign out of your Chromebook.
2. Press and hold Ctrl, Alt, Shift, and R together.
3. Click Restart.
4. When the box appears, click Powerwash, then Continue.
5. Follow the prompts.

Because a Chromebook keeps most of your data in your Google account rather than on the device, a Powerwash genuinely clears the local data. Just make sure you remember your Google login for your next device.

Does a factory reset actually erase your data?

Here's the honest answer most guides dance around. A standard factory reset, with the default option, does not securely erase your data.

When you delete a file or do a basic reset, the laptop doesn't scrub the file off the drive. It just removes the reference that points to it and marks that space as free to reuse. The actual data sits there untouched until something happens to write over it, which can take weeks, months, or never.

That means free, easy-to-find recovery software can scan the drive and pull back files you thought were long gone. This is the same kind of data recovery we use to rescue files for customers who've lost them, and it works just as well for someone who buys your old laptop and goes digging.

For a laptop you're keeping, none of this matters. For a laptop you're handing to a stranger, it matters a lot. The good news is that fixing it is straightforward, and the next section explains exactly when you need to bother.

When you need a proper secure wipe (and when you don’t)

Let's keep this practical, because it's easy to either be too casual or go full tinfoil hat. Here's the honest field-tech take.

For most people selling a normal personal laptop, the Windows "Remove everything" with the clean data option turned on (or Erase All Content and Settings on a Mac) is genuinely enough. It overwrites the drive, and that defeats the casual buyer with free recovery software. You do not need military-grade wiping software for your old family laptop.

You should go further if the laptop held genuinely sensitive material, like business financials, client records, legal documents, or anything covered by privacy obligations. In that case, here's what to know.

SSD versus hard drive (and why DBAN is the wrong tool for an SSD)

The type of drive in your laptop changes how you wipe it. Older laptops have a spinning hard drive (HDD). Most laptops from the last several years have a solid-state drive (SSD).

For a hard drive, overwriting tools work well. The old favourite is DBAN, and a single pass is plenty.

For an SSD, do not use DBAN or similar overwrite tools. The way SSDs manage data means those tools don't wipe them reliably and can wear the drive unnecessarily. Instead, use the secure erase function built into your laptop's BIOS or UEFI (often called "secure erase" or "data wipe"), or the manufacturer's own tool, which issues the proper ATA or NVMe secure erase command. This is the correct way to wipe an SSD and it usually takes seconds.

The BitLocker bonus on newer laptops

There's a quiet upside to a change Microsoft made recently. Windows 11 now switches on BitLocker drive encryption by default on most new laptops.

If your laptop's drive was encrypted the whole time you used it, your data was never readable without the key. When you do a proper reset, the key is discarded, which makes the old data effectively gibberish even before it's overwritten. For most people with a recent laptop, that's another reason the standard "Remove everything" reset is genuinely enough.

The truly cautious option: remove or destroy the drive

If the data is sensitive enough that you don't want to rely on any wipe, the surest option is physical. Take the drive out of the laptop before you sell it and keep it (leave the mounting bracket in for the buyer), or have the drive destroyed.

This is overkill for a normal personal laptop, but for a business machine that held confidential client data, it's the only method that removes all doubt. We do this for business customers regularly, along with a certificate confirming the data was destroyed.

What if the laptop won’t turn on?

This is the situation that catches people out when they're trying to get rid of an old machine. If the laptop won't start, you can't run a reset or a wipe through the normal menus, and your data is still sitting on the drive inside.

First, it's worth checking whether the laptop is genuinely dead or just won't boot, because some of those cases are fixable. Our guide on what to do when a laptop won't turn on walks through that.

If the laptop really is beyond use and you're disposing of it, don't just drop it at a recycler with the drive still in it and your data on board. Either get the drive removed and destroyed, or get a tech to pull the data off (if you still need it) and then wipe or destroy the drive. This is a common job and a cheap one for the peace of mind.

Reinstalling Windows after a full wipe

If you used the built-in Windows reset, you don't need to do anything extra. Windows reinstalls itself as part of the process and you're left with a working laptop sitting on the setup screen, ready for the next owner.

If you went further and fully wiped the drive with a secure erase or by removing it, the laptop will no longer have Windows on it. To put it back, you'll need a Windows installation USB (free to create from Microsoft's website on another computer) and the laptop's product key. On most modern laptops the key is stored in the BIOS and Windows activates itself automatically during reinstall, so you usually don't need to find it written down anywhere.

If that's more than you want to take on, it's a quick job for a tech, and it means the laptop is ready to sell rather than sitting there as a blank machine the buyer has to sort out.

Getting rid of an old laptop in Australia

Once your laptop is wiped, think about where it actually goes, because a laptop is not general rubbish and shouldn't go in the bin.

If it still works, selling or donating it gives it a second life. Once it's properly wiped, it's safe to hand on. Charities and community groups often take working laptops.

If it's dead or too old to bother with, recycle it properly. Australia has free e-waste recycling drop-off points through programs like the National Television and Computer Recycling Scheme, and many councils and stores (including Officeworks) take old computers for recycling. That keeps the toxic bits out of landfill and the valuable materials in circulation.

Just make sure the data is dealt with before it leaves your hands, whichever path it takes. A wiped laptop is safe to pass on. A laptop with the drive untouched is your personal data walking out the door.

Book Your Secure Data Wipe Today

Get your old laptop properly wiped and sorted by a real tech across Australia. We securely erase Windows laptops, Macs, and Chromebooks, handle SSDs and hard drives the right way, remove and destroy drives for sensitive business data (with a certificate to prove it), recover any files you still need first, and set the machine up clean and ready to sell. Call us today on 131 546 or fill out the form on this page and we'll get back to you ASAP.

FAQs

Does a factory reset delete everything on a laptop?

A factory reset removes your apps, settings, and the references to your files, and it gives you a clean copy of the operating system. But with the default option, it does not securely erase the underlying data, which can still be recovered with free software. To genuinely erase everything before selling, use the "clean the drive" option in the Windows reset, Erase All Content and Settings on a Mac, or a secure erase.

Can data be recovered after a factory reset?

Yes, often. A standard reset only removes the pointers to your files, so recovery software can scan the drive and pull back photos, documents, and other data until that space gets overwritten. This is why a plain reset isn't enough before selling a laptop, and why the overwrite or "clean data" option matters.

Is the Windows "clean the drive" option enough before selling?

For a normal personal laptop, yes. Turning on the clean data option during "Remove everything" overwrites the drive, which defeats casual recovery attempts. For highly sensitive business data, go further with a BIOS secure erase (for SSDs) or by removing and destroying the drive.

How do I wipe an SSD versus a hard drive?

For a hard drive, overwrite tools like DBAN work, and a single pass is enough. For an SSD, don't use DBAN, it doesn't wipe SSDs reliably. Instead use the secure erase function in your laptop's BIOS or UEFI, or the drive manufacturer's tool, which runs the proper secure erase command. The Windows "clean the drive" reset option also works for both.

Do I need to remove my Microsoft account or Apple ID before resetting?

Yes, sign out first. On a Mac you must turn off Find My and sign out of your Apple ID or the laptop stays locked to you and the new owner can't activate it. On Windows, signing out of your Microsoft account and deauthorising licensed software (like Adobe) saves both you and the buyer a headache.

Will I need to reinstall Windows after a factory reset?

Not if you use the built-in Windows reset, which reinstalls Windows automatically. You only need to reinstall manually if you fully wiped the drive with a secure erase or removed it. In that case you'll need a Windows installation USB and the product key, which is usually stored in the laptop's BIOS and activates automatically.

How do I reset a laptop that won't turn on?

You can't run a normal reset if the laptop won't start. First check whether it's genuinely dead or just won't boot, since some of those cases are fixable. If it's beyond use and you're getting rid of it, have the drive removed and destroyed, or get a tech to wipe it, so your data doesn't leave with the machine.

How long does a factory reset take?

A standard reset usually takes 30 minutes to a couple of hours, depending on the laptop and whether you choose cloud download or local reinstall. Turning on the "clean the drive" option to overwrite the data adds time, sometimes several hours, so plug into power and leave it running.

Should I remove the hard drive before selling my laptop?

For a normal personal laptop, no, a proper wipe is enough. For a laptop that held sensitive business or client data, removing the drive (and keeping or destroying it) is the surest way to guarantee the data is gone. It's a common request for business machines and we can do it with a certificate of destruction.

Will a factory reset remove a virus?

Usually yes. A full reset with "Remove everything" wipes the operating system and reinstalls a clean copy, which clears out the vast majority of malware. The rare exceptions are deep infections in the firmware, which a standard reset doesn't touch, so if a laptop is still misbehaving after a clean reset, it's worth getting it looked at.

Can Jim's IT wipe my laptop for me?

Yes, this is a common job. We securely wipe Windows laptops, Macs, and Chromebooks, handle SSDs and hard drives correctly, recover any files you still need first, remove and destroy drives for sensitive data with a certificate, and set the laptop up clean and ready to sell or donate. Worth a call if you'd rather have it done properly without the guesswork.