
Buying a Used Mac? Here’s What to Check & How to Avoid Costly Mistakes
OVERVIEW:
In this comprehensive video discussion, Tech TI’s David and Anthony break away from teardown tutorials to focus on how to buy a used MacBook—and why it may be a smarter decision than buying new. Whether you’re a student, professional editor, or casual user, the team dives into crucial insights gained from years of customer service and hands-on Mac experience. This long-form, uncut conversation arms viewers with the knowledge to make informed MacBook purchases, while avoiding costly mistakes and scams.
REPAIR TIME & SKILL LEVEL:
Skill Level: Beginner
Repair Time: None (This guide is not a repair but an educational buying guide.)

STEPS:
Tools You Need
No physical tools are required to follow this buying guide, but if you’re evaluating a used MacBook in person, the following may help:
- P5 Pentalobe screwdriver (if inspecting internal components)
- Bright light or flashlight (to inspect the screen and ports)
- macOS access to check battery cycles and software locks
- Internet access to check Apple warranty status or activation lock
-
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Assess Your Needs Before Shopping
- Decide if you’re a student, content creator, or general user.
- Students benefit from lightweight, efficient models like MacBook Air.
- Creators or professionals doing video editing, CAD, or 3D work should lean toward MacBook Pros.
- Know your software requirements—especially if using exam software or proctoring apps. macOS compatibility is crucial.
Pick the Right Model Year
- MacBooks from 2017 and newer are typically reliable and still compatible with modern macOS versions.
- Apple generally supports macOS for 6 years post-release, so target models 5–6 years old to maximize value and support.
- Example: In 2024, a 2018 MacBook still runs the latest OS and offers excellent performance.
Understand the Value in Used Models
- Older MacBooks can cost up to 80% less than new ones while still offering near-identical performance.
- High-spec older models often outperform new entry-level machines at a fraction of the price.
Avoid Overpaying for Specs You Don’t Need
- 8GB RAM is only acceptable for very light use. For smoother performance, go for 16GB or more.
- Storage tip: Unless you’re editing video or working with large files, 256GB is sufficient—supplement with cloud storage.
- Editors or professionals: Consider 512GB, 1TB, or more local storage.
Check for macOS Locks
- Always verify the MacBook is free from:
- iCloud lock
- Find My Mac
- MDM (Mobile Device Management) restrictions
- If a seller claims it belongs to a family member, make sure that person is present to unlock and remove their account before buying.
Inspect Physical Condition
- Look for wear and tear, especially:
- Deep scratches on edges
- Dents
- Loose or sticky keys (indicating possible liquid damage)
- A “crispy” keyboard sound usually means no residue is present.
Screen & Display Inspection
- View a dark background to detect:
- Stuck pixels
- Backlight issues
- Signs of internal liquid damage
- Use a clean screen and bright environment to spot imperfections.
Test All Hardware Ports and Components
- Confirm:
- USB-C / Thunderbolt ports
- Audio jack
- HDMI (on newer Pros)
- SD card slot (if applicable)
- MagSafe charging (on supported models)
Battery Condition
- In macOS: Go to About This Mac → System Report → Power to check battery cycle count.
- A cycle count under 500 usually means the battery is in good condition.
Look for Evidence of Previous Repairs
- Inspect the bottom screws for tool marks, which may suggest tampering or repair.
- Ask whether parts were replaced with OEM (Apple) or aftermarket components.
Where to Buy
- Avoid public meetups (e.g., Starbucks) or unverified Facebook/OfferUp listings.
- Prioritize reputable resellers like tekdep, which offer:
- Professional inspection
- Real warranties
- Nationwide shipping
- AppleCare+ is costly and rarely cost-effective for used units. Look for third-party warranties from reliable shops instead.
CONCLUSION:
Buying a used MacBook can save you hundreds—sometimes thousands—of dollars while delivering nearly identical performance to new models. From students to professionals, understanding macOS support windows, hardware requirements, and software lock risks is crucial. With the right due diligence, a 5–6-year-old MacBook can offer excellent performance, long battery life, and reliability—at a fraction of Apple’s current price tags. Avoid the traps of sketchy sellers, and buy smart to maximize both performance and peace of mind.
MAIL-IN REPAIR SERVICE:
We offer professional screen replacement services. If you’re unsure about doing this repair yourself, send your device to our expert technicians for fast and reliable repair.
VIDEO TUTORIAL:
Looking for a more in-depth tutorial? Check out our complete teardown video for a detailed step-by-step walkthrough.
SHOP PARTS:

Mac Computers
Don’t break the bank on new Mac computers! TEKDEP offers a wide range of certified refurbished iMacs, MacBooks, MacBook Airs, MacBook Pros, and Mac Minis. Enjoy peak performance and reliability at incredible prices. Upgrade your workspace or home office with a premium refurbished Mac today.
SHOP TOOLS:
Using precision tools ensures a safe and efficient repair. Always use the right tools to prevent damage to delicate components. Quality tools can make difficult repairs significantly easier and more reliable.

REPAIR TOOLS
Discover an extensive range of tools, including screwdrivers, tweezers, pry tools, and more, essential for all your repair and maintenance needs.
HAVE QUESTIONS?
Still unsure which MacBook is right for you? Contact the tekdep team directly via phone or chat—we’ll help you find a machine that fits your budget and needs, and make sure you don’t get scammed in the process.
- Phone: 818-456-4479
- Email: [email protected]







