Within it are two disk images, one for EFI, ASD EFI 3S121.dmg, and one for OS X, ASD OS 3S121.dmg volume. In the Finder, double-click on the ASD 3S121.dmg file to mount the image. Name this volume ASD EFI 3S121.Ĭlick on Options and select GUID Partition Table as the partition scheme.Ĭlick Partition to partition the hard drive. Name this volume ASD OS 3S121.įor ASD (EFI),the partition size must be 20MB or larger. Open Disk Utility (located in /Applications/Utilities).Ĭlick the Partition tab to prepare the drive to be partitioned into two volumes, as follows:įor ASD (OS), the partition size must be 5.4GB or larger. Installing Apple Service Diagnostic on a USB hard drive:Ĭonnect the external USB hard drive to your Macintosh. Important: Unlike versions of ASD previously available for the MacBook Pro, ASD version 3S162 requires installation onto an external USB hard drive. Note: ASD version numbers may change as diagnostics are updated.
Apple Service Diagnostics (EFI) runs low-level tests of the hardware directly and does not require Mac OS X, while Apple Service Diagnostics (OS) uses Mac OS X to run tests. The Apple Service Diagnostics application is designed to run both EFI and Mac OS X tests from an external USB hard drive. Important: Unlike versions of ASD previously available for the MacBook Pro,ĪSD version 3S162 requires installation onto an external USB hard drive.Īpple Service Diagnostics (ASD) is distributed to Apple Service Providers. Also running ASD on another OS removes some of the Finder menu items and is NOT recommended
As a test requirement the OS is set up as a root user.ĭO NOT copy ASD to another OS or some tests will fail. Note: ASD is tested with a custom Mac OS that is supplied in the image. Open part 1 and all 4 parts will be assembled. Access to some services is limited to 10 devices.To Mount this disk image, download all 4 parts, and place in the same directory. Some features are not available in all countries or regions. Some features require a Wi‑Fi connection.
Some features require iOS 15 or iPadOS 15 and macOS Monterey.
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