Insert your USB 2.0 stick into every physical USB port on your computer (one port at a time). Run the USBMap script or IORegistryExplorer. Note which port name lights up (HS01, HS02, SS01, SS02).
This is the standard procedure for a stable system. Users do not download a generic file but create their own using tools:
If you are just trying to boot the macOS installer to get started, do not use a port map at all. Use the XHCI-unsupported.kext (available on Dortania’s GitHub repo). This only adds support for non-standard XHCI controllers but does not map your ports. usbports.kext download
If you’ve landed on this page searching for a direct download link to a file named usbports.kext, you are likely in the middle of a frustrating Hackintosh build or trying to revive USB functionality on an older, unsupported Mac. You might have seen forum posts or old Reddit threads mentioning this file as a magic bullet for fixing USB ports that have stopped working after a macOS update.
Here is the critical truth you need to understand immediately: There is no universal usbports.kext file that you can download and simply drag into a folder. In fact, searching for a "download" of this file is a security risk and a misunderstanding of how macOS handles USB mapping. Insert your USB 2
This article will explain what usbports.kext actually is, why downloading a random copy from the internet is dangerous, and—most importantly—how to properly create your own custom USB map for your specific computer.
For macOS Monterey 12.3 and newer (including Ventura, Sonoma, and Sequoia), Apple deprecated the legacy IOUSBHostFamily kext patching method. If you are just trying to boot the
Do not use old USBPorts.kext files from 2020. They will break your system.
Today, the community standard is UTBMap (Universal T-Bus Map) or simply using a DSDT or ACPI method. However, for most users, the easiest solution remains a custom USBMap.kext or UTBMap.kext.