Post‑Install

Post‑Install

Finishing touches after successful Catalina installation on your ThinkPad X1C4. Optimize power management, audio, Bluetooth, and Apple services.

Initial Setup

  1. Complete the macOS setup wizard.
  2. Install Xcode Command Line Tools: xcode-select --install
  3. Disable SIP: Boot into Recovery, run csrutil disable
  4. Reboot and mount your EFI partition.

Power Management

Ensure proper CPU power management:

  • Verify XCPM is working in IORegistryExplorer.
  • Check CPU frequencies with Intel Power Gadget.
  • Install SSDT-PLUG if not already done.

Audio Setup

Configure Conexant CX11852 audio:

  1. Ensure AppleALC.kext is loaded.
  2. Use ALCPlugFix for combo jack functionality.
  3. Test audio output and input.

Wi-Fi & Bluetooth

  • itlwm should provide Wi-Fi connectivity.
  • IntelBluetoothFirmware + Injector for Bluetooth.
  • Test Handoff, Continuity, and AirDrop.

Graphics & Display

  • Intel HD Graphics 520 should work out of the box.
  • Adjust brightness with Fn keys.
  • Test DRM in Safari (Netflix, etc.).

Trackpad & Keyboard

  • VoodooPS2Controller handles PS2 devices.
  • Configure trackpad gestures in System Preferences.
  • Map Fn keys if needed.

USB Ports

Test all USB ports and create custom SSDT-USB if needed.

Apple Services

  • iCloud, iMessage, FaceTime should work with proper SMBIOS.
  • Sign in to iCloud and test services.
  • Enable Find My Mac.

Final EFI Cleanup

  1. Remove debug kexts (USBInjectAll, etc.).
  2. Disable verbose boot.
  3. Update OpenCore and kexts to latest versions.