What to Do With an Old MacBook: 9 Smart Ways to Reuse Your Mac

• Shira Stieglitz
1 month ago
Categories: How To
Tags: eBay, Linux, Mac OS 9, Server

If you’ve upgraded to a newer Mac, you might be looking at your old one and thinking, “What now?” Apple computers are famously expensive and well-made, so it’s no surprise that most people don’t want to throw them away. Even if your Mac is five, ten, or more years old, there are still plenty of ways to squeeze value out of it.

1. Turn It Into a Powerful Media Center

Instead of buying a streaming box or Smart TV, your old Mac can become a full-fledged media center. If it has an HDMI port or a Mini DisplayPort with an adapter, you can plug it directly into your television and use it like a set-top box.

Set it up with:

• Plex Media Server (free) to organize and stream your own movie, TV, and music library
• VLC or Kodi for watching video files without converting formats
• HandBrake to convert old DVDs to digital files, you can store and play locally

Add a Bluetooth keyboard with a built-in trackpad for remote control, or use apps like Unified Remote on your phone to control playback. In System Preferences, go to Energy Saver to prevent the Mac from sleeping. In Display Settings, you can also adjust the resolution to match your TV.

2. Use It as a Secondary Monitor or Headless Server

Old Macs can still be great visual tools as a second monitor or behind-the-scenes file server. If you work from home or often have multiple windows open, using your old Mac as an extended screen can improve your productivity without costing a cent.

How to use it as a second screen:

• Duet Display: A popular app that turns a Mac (or iPad) into an extra monitor. Install the app on both machines and connect them via USB or Wi-Fi.
• Luna Display: A small hardware dongle that offers high-performance wireless second-screen support.
• Sidecar: If both Macs run macOS Catalina or later and support AirPlay, you can extend your desktop wirelessly using Apple’s built-in feature.

This setup is useful for:

• Keeping notes, chat, or reference material visible while you work
  Using the second screen for video calls or screen sharing
• Creating a compact editing station for photo and video work

Turn it into a headless server: If you don’t need a screen at all, an old Mac can quietly live in a drawer or shelf and serve files, backups, or other content across your network.

To do this:

1. Keep the Mac plugged in and connected to Wi-Fi or Ethernet.
2. Turn on File Sharing in System Settings > Sharing.
3. Enable Remote Login if you want to access it via SSH (optional).
4. Use Screen Sharing or Chrome Remote Desktop to control it from your main device.

3. Turn It Into a Secure Digital Photo Frame

Turn your Mac into a rotating display for your favorite memories. This is a great way to repurpose a device that no longer has the power for daily work, but still has a nice screen.

Set up a photo frame with the built-in macOS tools:

1. Open the Photos app and create a new album with your favorite pictures.
2. Go to System Settings > Lock Screen or Screen Saver, and choose the slideshow option.
3. Select your album, choose transitions like “Ken Burns” or “Origami,” and adjust timing.
4. Keep the Mac plugged in, and slightly dim the screen brightness to preserve the display.

Advanced options:

• Apps like Pixea or SaveHollywood allow you to use videos or music in your slideshow.
• Mount the Mac vertically (if possible) or place it on a shelf or hallway table.
• Create seasonal or event-based albums, holidays, weddings, and vacations, and swap them out regularly.

4. Build a Retro Game Console

Many Macs built between 2008 and 2015 are perfect for emulating older video game systems. They don’t need the latest processors or graphics cards to run NES, SNES, Sega Genesis, or PlayStation 1 titles smoothly.

What you need:

• OpenEmu (free): An all-in-one emulator with a simple, clean interface
• A USB or Bluetooth game controller (Xbox, PlayStation, or retro-style ones work)
• ROMs from open-license archives or games you’ve legally dumped from your own cartridges

Setup steps:

1. Download OpenEmu from openemu.org and drag it to Applications.
2. Install system “cores” (modules for different consoles) within the app.
3. Add ROMs by dragging them into the library.
4. Plug in a controller and configure it via OpenEmu’s preferences.

Additional tips:

• Enable save states and screen filters (like CRT scan lines or smoothing).
• Use Full Screen mode for a real console feel.
• Create multiple player profiles for kids, roommates, or guests.

5. Repurpose It for a Child or Student

An older Mac can still be a great learning tool even if it’s too sluggish for your work tasks. Whether for typing assignments, accessing school portals, or trying creative tools, children and students can benefit from a machine you’re no longer using.

Before handing it off:

• Create a new user account with limited privileges.
• Use System Settings > Screen Time to set app limits, downtime, and content filters.
• Use System Settings > Parental Controls to block specific apps or websites.
• Remove distractions: uninstall or hide apps like Mail, Safari, or YouTube, depending on age.
• Consider setting up Simple Finder (via Terminal) for young users, which dramatically simplifies the Mac’s interface.

Useful student apps to pre-install:

• Google Docs or LibreOffice for writing
• Zoom or Google Meet for video calls
• GarageBand, iMovie, or Tayasui Sketches for creative learning

Older MacBooks are also often more rugged than newer thin designs, making them perfect for kids.

6. Set It Up as a Time Machine Backup Server

Turning your old Mac into a Time Machine server can help you protect the data on your primary device and manage your backups.

To set this up:

1. Make sure the old Mac is connected to your Wi-Fi or Ethernet.
2. Add a new shared item:
   • macOS 10.13 to macOS 12: Go to System Preferences > Sharing, enable File Sharing, and add a folder named “Backups” or something similar, like an external disk, into the Shared Folders list.
   • macOS 13 or newer: Go to System Settings > General > Sharing, enable File Sharing, and add a folder named “Backups” or something similar, like an external disk, into the Shared Folders list.
3. Right-click the folder, choose Advanced Options, and select “Share as Time Machine backup destination.”
4. On the primary Mac, add a new backup disk:
   • macOS 10.13 to macOS 12: Go to System Preferences > Time Machine > Click on Select Backup Disk, and choose the shared folder.
   • macOS 13 or newer: Go to System Settings > General > Time Machine > Click on Select Backup Disk, and choose the shared folder.

Once paired, your main Mac will back up to your old Mac wirelessly regularly.

Bonus:

• You can encrypt backups for security.
• Set up backup alerts so you know if anything goes wrong.
• Combine this with your Mac’s headless setup (Section 2) for a unobtrusive backup machine.

7. Extend Its Life with OpenCore Legacy Patcher

Some older Macs can’t be updated to the latest macOS version — not officially, anyway. That’s where OpenCore Legacy Patcher (OCLP) comes in. It’s a community-built tool that allows unsupported Macs to run newer macOS versions like Ventura or Sonoma.

Who this is for:

• Users with MacBook Pros, iMacs, or Mac Minis from 2008–2017
• People are comfortable following detailed setup guides
• Anyone who wants modern features like AirDrop or updated Safari without buying new hardware

Important:

• Always back up your data before attempting.
• Follow the official documentation at dortania.github.io/OpenCore-Legacy-Patcher.
• Some features (like Handoff or Secure Boot) may not work, but basic functionality usually does.

Why it’s worth it:

• You can keep using your favorite Mac for a few more years.
• You can access updated software and newer apps that require the latest OS.

Even if you only use the Mac for backups or light browsing, staying current helps with performance, app compatibility, and security.

8. Sell or Donate It Responsibly

Even if your Mac is a few years (or a decade) old, don’t assume it’s worthless. Many older models still have resale value, especially if they power on, have an intact screen, and include the charger. Depending on its age and condition, you may earn anywhere from $50 to a few hundred dollars.

Where to check resale value:

• Mac2Sell: Estimate your Mac’s trade-in value based on model and specs
• Swappa or eBay: See recent listings for Macs like yours
• BackMarket: Trade-in programs for working electronics

How to find places to donate: If you prefer to give your Mac a second life in someone else’s hands, donating it is a meaningful option, especially if it’s still usable. Many organizations are eager to receive gently used laptops.

Here’s where to start:

• Local schools and libraries: Contact the IT coordinator or admin office; they often welcome devices for students, especially for media labs or STEM programs.
• Nonprofits and charities: Look for organizations that serve under-resourced communities, such as Computers with Causes, The National Cristina Foundation, or Human-I-T.
• Refugee aid groups or domestic violence shelters: These organizations often support individuals who need basic tech to access education, jobs, or legal services.
• Facebook or neighborhood groups: Post your offer in Buy Nothing groups, community forums, or local parent networks.

Important: Before donating or selling, always back up your data, sign out of all Apple services (iCloud, iMessage, iTunes), and erase the hard drive using Disk Utility. Then reinstall macOS for a clean, ready-to-use machine.

9. Recycle It (The Right Way)

If your Mac is damaged, extremely outdated, or not worth fixing or donating, recycling is a responsible choice — but how you do it matters.

The wrong way:

• Tossing it in the trash or curbside recycling: This is harmful to the environment and may even be illegal in some areas. Macs contain lithium batteries, heavy metals, and other components that can leach into soil and groundwater.
• Letting it collect dust: Storing old electronics indefinitely creates clutter and may pose fire hazards if batteries swell or leak.

The right way:

• Use a certified e-waste recycler: To ensure safe handling, look for an R2 (Responsible Recycling) or Stewardship-accredited facility. You can find a nearby location through Earth911.com or your local government’s recycling site.
• Apple Trade-In & Recycling: Visit apple.com/recycling to print a prepaid shipping label. If your device qualifies, you may even get Apple Store credit.
• Retail drop-off programs: Stores like Best Buy, Staples, and Office Depot often accept old electronics, regardless of where you bought them.

Pro tip: Remove or erase the hard drive, even if the device doesn’t boot. If you can’t wipe it digitally, consider physically removing the drive before recycling or bringing it to a recycler that guarantees secure data destruction.

Final Thoughts: Keep Your Mac Useful and Protected

Macs are built to last. Whether you turn yours into a media player, a backup server, or a child’s homework computer, there’s almost always helpful something it can still do. You paid good money for it, and it deserves a second act.

Another key to keeping your Mac useful longer is protecting it from slowdowns, crashes, and security risks. With an antivirus solution like Intego, you can block malware, clean up junk files, and prevent your older system from being overwhelmed by modern web threats. Even if your Mac is no longer receiving updates from Apple, security software can fill in the gaps.

Combining smart reuse with the right tools will keep your Mac productive, protected, and out of the landfill.

FAQs

Is a 10-year-old Mac too old to use?

Not always. A 10-year-old Mac can still be used for tasks like word processing, streaming, and light web browsing. It may not support the latest apps or macOS versions, but it can still serve a purpose with good maintenance, some upgrades, and basic protection software.

Can I still use an old MacBook in 2025?

Yes. Many MacBooks from 2012 or later can still function well in 2025. While newer tasks like 4K editing or gaming may be out of reach, everyday tasks like using Google Docs, watching videos, or checking email are no problem with the right setup and performance tweaks.

Is it safe to use an old Mac online?

It can, especially if you take precautions. If your Mac is no longer getting security updates, avoid entering sensitive data on websites. Use a secure browser, avoid suspicious links, and run antivirus software to minimize risks from malware or phishing.

How can I make my old Mac run faster?

Start by clearing out unused apps and files. Disable startup items, empty your trash, and clean your desktop. If your model allows it, upgrading the hard drive to an SSD or adding RAM can dramatically boost speed. Reinstalling macOS also helps.

Should I keep my old Mac or trade it in?

If you still have a use for it — like backups, media playback, or a device for your kids — it may be worth keeping. But if it’s gathering dust, consider trading it in or selling it. You’ll recoup some value and help someone else get affordable tech.

What should I do before selling or donating my Mac?

Back up your data first, then sign out of all Apple services. Use Disk Utility to erase the hard drive and reinstall macOS. This protects your personal information and gives the next user a fresh, clean machine to set up.