Separate the sale from your personal data
A laptop can hold years of documents, browser sessions, photographs, saved passwords and account tokens. Deleting the files you can see is not enough preparation for a new owner. Start with a backup you have actually checked, then remove your accounts and use the operating system’s proper reset or erase process.
Do this before collection is booked. Resetting a computer while somebody waits at the door is a good way to miss a folder, forget an activation lock or hand over the wrong charger.
Make a backup you can trust
Copy the files you need to a location you control. That might be an encrypted external drive or a reputable cloud account. Open a selection of documents, photographs and videos from the backup, rather than assuming the copy completed correctly. Remember less obvious material too, including browser bookmarks, email archives, creative project files, licence keys and locally stored password vaults.
Move authentication apps and recovery codes before wiping the machine. A laptop that acts as your only trusted device can make account recovery painfully slow once it has gone.
Prepare a Windows laptop
Install any updates needed for the backup, sign out of browsers and licensed applications, and remove the computer from trusted device lists. Follow Microsoft’s current Reset this PC guidance and choose the option intended for transferring the machine to another person. Once the reset finishes, leave it at the first setup screen. The next owner should create their own account.
Record the exact make, model, processor, memory and storage. A vague description such as ‘fast laptop’ is far less useful than the details shown in Settings or on the model label. If you have a desktop machine rather than a notebook, the computer quotation page asks for the relevant specification and condition notes.
Prepare a MacBook
Apple’s process varies by macOS version and hardware generation. Identify the model first, back it up, sign out of Apple services and use Apple’s erase guidance for that machine. Activation Lock must be removed. Do not take the base apart or try to disconnect a built-in battery simply because the laptop is being sold.
For a Pro model, the MacBook Pro quotation page covers the details that usually matter most, including screen size, chip, memory, storage, battery condition and charger.
Test the hardware while your account still works
Check the keyboard, trackpad, screen, camera, speakers, Wi-Fi, charging and accessible ports. Note battery warnings, pressure marks, missing keys, loose hinges or intermittent faults in direct language. ‘Works well’ can mean almost anything. ‘Charges normally, but the left USB port is unreliable’ gives a buyer something concrete to assess.
Run ordinary checks only. Do not open the case, probe the power supply or attempt an improvised battery repair. A swollen battery, damaged cable or unusual heat needs cautious handling and full disclosure.
Gather the right accessories
Match the charger to the laptop and photograph its label. Include adapters, docks or styluses only when they are part of the sale. Remove personal stickers if they come away cleanly, but do not scrape the casing or hide marks with a cosmetic cover.
Take photographs of the laptop open and closed, the model information, the charger, the ports and any visible damage. Keep personal notifications and documents off the screen. The item photo guide gives a simple sequence that reduces follow-up questions.
Keep a private handover record
Write down the serial number for your own records without placing it in a public advert. Keep the agreed item description, payment details and collection or delivery information. Once the laptop leaves, remove it from any remaining account dashboards and check that no cloud service still treats it as a trusted device.