Guides & How-To
Wipe it, back it up, and get it ready the right way.
1–20 of 22 articles
Guides & How-ToWhat Actually Gets Erased When You Wipe a Mac
Wiping a modern Mac destroys an encryption key, not files one by one. Here's what really disappears and what survives the erase.
Sep 26, 2026 · 6 min read
Guides & How-ToReal vs Counterfeit Mac Chargers: How to Tell and Why It Matters
Most fake Mac chargers fail basic safety tests. How to spot a genuine adapter — and why keeping it protects your resale value.
Sep 25, 2026 · 6 min read
Guides & How-ToWhy 2021-and-Newer Macs Have Randomized Serials — and Why It Matters
Apple stopped encoding the model, storage, and build date into serial numbers in 2021. Here's how to verify a used Mac now.
Sep 25, 2026 · 6 min read
Guides & How-ToHow to Check Your Mac's Battery Cycle Count and Health
Your Mac battery cycle count is the odometer for its power cell. Here's how to read it, what the numbers mean, and how it affects resale.
Sep 25, 2026 · 6 min read
Guides & How-ToHow to Find Your Mac's Serial Number (and What It Reveals)
Your Mac's serial number is one click away and unlocks warranty status, the exact model, and an accurate valuation. Here's where to find it.
Sep 25, 2026 · 6 min read
Guides & How-ToSign Out of iCloud and Find My Before You Ship — Every Time
Activation Lock survives an erase, so turn off Find My or sign out of iCloud before shipping a Mac or the buyer gets a locked machine.
Sep 24, 2026 · 6 min read
Guides & How-ToHow to Properly Wipe a Mac Before You Sell It
Back up, run Erase All Content and Settings, and confirm Find My is off so your data and Activation Lock don't travel with the Mac.
Sep 24, 2026 · 6 min read
Guides & How-ToThe Free Carrier Boxes That Fit a MacBook
Which free USPS Priority Mail boxes actually fit a 13-, 14-, 15-, or 16-inch MacBook once you pad them right, and where the free options run out.
Sep 24, 2026 · 6 min read
Guides & How-ToA Bubble Mailer Is Not Packaging — What to Use Instead
A padded envelope gives a laptop no protection against crushing or drops. Here's the simple, often-free box setup to use instead.
Sep 23, 2026 · 5 min read
Guides & How-ToHow to Ship a MacBook So It Arrives in One Piece
A step-by-step guide to packing a MacBook for shipping: power off, cushion, double-box, keep the battery installed, and insure it.
Sep 23, 2026 · 6 min read
Guides & How-ToHow to Remove a Mac From Your Apple Account
Whether the Mac is still in front of you or already shipped, here's how to detach it from your Apple ID, clear Activation Lock, and close the security loose end.
Sep 12, 2026 · 6 min read
Guides & How-ToFirst Time Selling a Mac? A Simple Walkthrough
A calm, step-by-step guide to selling your first Mac safely — back up, sign out in the right order, screen the buyer, and get paid before it ships.
Sep 11, 2026 · 7 min read
Guides & How-ToThe Final Checklist Before You Hand Over Your Mac
Back up, sign out, erase, and confirm — the last-minute list that keeps a Mac sale from coming back to bite you after it's gone.
Sep 11, 2026 · 6 min read
Guides & How-ToHow to Safely Ship a MacBook When You Sell It
Packaging, cushioning, tracking, and insurance — a practical guide to getting a Mac to its buyer intact, and getting paid without getting burned.
Sep 10, 2026 · 7 min read
Guides & How-ToSelling a Work or School Mac? Watch for MDM Lock
A Mac once enrolled by an employer or school can carry a management lock that survives a full wipe — here's how to check before you try to sell it.
Sep 10, 2026 · 6 min read
Guides & How-ToHow to Check a Mac for Activation Lock
A step-by-step way to confirm Activation Lock and Find My are off before you sell — and the scam that makes getting this right so important.
Sep 9, 2026 · 6 min read
Guides & How-ToHow to Find Your Mac's Exact Model, Chip, and Year
Model name, chip, and year all live in About This Mac and your serial number — here's how to read them and why they set your Mac's value.
Sep 7, 2026 · 6 min read
Guides & How-ToFactory Resetting a Mac: Apple Silicon vs. Intel
The factory-reset process splits by chip: Apple silicon and T2 Macs get one-click reset; older Intel Macs erase through Recovery. Here's both.
Sep 6, 2026 · 7 min read
Guides & How-ToHow to Back Up Your Mac Before You Sell It
Time Machine, iCloud, or a straight copy — how to back up your Mac before you sell it, then move everything to your next one.
Sep 6, 2026 · 7 min read
Guides & How-ToActivation Lock: Why It Wrecks Your Mac's Resale Value
An Activation-Locked Mac is near-worthless to any buyer — here's why, and exactly how to turn it off before you sell, trade in, or recycle.
Sep 5, 2026 · 6 min read