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About the "Apple Hardware Test does not support this machine" message

Symptoms

You may see a message stating "Apple Hardware Test does not support this machine." This is produced when you hold down the "D" key during startup and Apple Hardware Test is not found in the hard drive. This occurs when using computers that require an EFI Firmware Update to use the Lion Recovery feature.

Resolution

If you are experiencing this issue, Apple Hardware Test is available on the media that came with your computer. See Intel-based Macs: Using Apple Hardware Test for more information.

For more information on Lion Recovery, see OS X Lion: About Lion Recovery.

Last Modified: Feb 7, 2012
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  • Last Modified: Feb 7, 2012
  • Article: TS4154
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