: Open a full-screen white background to check for dead pixels, lines, or spots. For newer models, verify if True Tone is available in Settings; if it's missing, the screen has likely been replaced with an inferior third-party part.
: Use a tool like DriveDx to check the total data written (TBW). If the SSD is heavily worn, the entire machine is at risk since storage is soldered to the board on modern Macs.
: Expect reduced runtime; 1,000 is typically the limit where Apple recommends replacement. tips for buying a used macbook
: Go to Apple Menu > System Settings > General > About > System Report > Power . Under 300 cycles : Excellent condition.
Before handing over any money, perform these physical and functional checks: : Open a full-screen white background to check
: Bring a USB drive to ensure every port works; a dead port can signal deeper logic board issues or liquid damage. Test Wi-Fi and Bluetooth to ensure they connect instantly.
: Play a speaker test at maximum volume to check for rattling or blown drivers. 2. Deep Dive: Battery & SSD Health If the SSD is heavily worn, the entire
Unlike a new machine, a used Mac's most critical "consumables" have already been partially used: