- #Apple hardware test vs techtool pro how to#
- #Apple hardware test vs techtool pro install#
- #Apple hardware test vs techtool pro pro#
- #Apple hardware test vs techtool pro software#
You can also rebuild a disk’s directory, defragment files, and consolidate free space on disks, securely erase files or free space, calibrate audio and video, repair permissions, and recover accidentally deleted files or those located on a damaged disk. You can use this booted system to try to repair the broken boot disk.
The eDrive lets you reboot your machine-if your boot drive has died, or if you just want to do some work on it-to a special startup partition equipped with TechTool Pro 5 and a few system utilities.
For MacBook Air (late 2010) users, simply plug the MacBook Air Software Reinstall thumb drive into the USB port.On the tool side of the program, you can create a special recovery partition that Micromat calls an eDrive.This disk needs to be inserted in the optical drive (be it internal or external) before the steps above are applied.
Users who use the OS X Lion v10.7 or earlier and cannot launch ATH should check if they have an OS X installation disk named “Applications Install Disk 2”. You will need an Internet connection through Ethernet or Wi-Fi for this. ATH can also be launched if you hold down Option and D keys from the keyboard at startup. Some Mac computers with OS X Lion v10.7 or later will launch AHT from the Internet, especially if the startup disk does not include AHT. More details for OS X Lion V10.7 or later and MacBook Air (late 2010): Press Restart or Shut Down at the bottom of the window to exit Apple Hardware Test. Wait for the test process to complete and when that happens, you will see the results in the bottom-right section of the window. This may take some time but performs a more comprehensive examination. If you want to run a more thorough test, choose the “Perform extended testing” option. You can do the same by pressing the T key or the Return key from the keyboard. To start the testing process, click on the Test button. Use the up and down arrows from the keyboard if you aren’t using a mouse. From the languages that are available pick your language and then click on the right arrow. Keep the D key pressed down until the Apple Hardware Test icon appears on the screen. Next, turn the Mac on and press and hold the D key on your keyboard while it is loading. Place your Mac computer on a flat and hard work surface that allows for good ventilation before you run the ATH. Keep only the keyboard, mouse, display, AC power connection, and the Ethernet connection (in case it is applicable). Firstly, unplug and disconnect all external devices from your Mac, otherwise, once you run the Apple Hardware Test, it may display an error message. When you are done reading the support webpage, select “Restart” or “Shut Down” from the Apple menu. The computer will restart to a support webpage that contains more information. If you want to get more details regarding the detected issues and the solutions available, firstly check if your Mac is connected to the internet. If you want to shut down, click on the “Shut down” option. If you want to restart your Mac, click on the “Restart” option. If you want to run the test again, click on “Run the test again”. When the Apple Diagnostics is complete, you will see one or more reference codes with identified issues. Release the key when you see a progress bar or when a language needs to be selected. 
Switch on you Mac and keep the D key on your keyboard as the computer starts up. When the startup options window appears (you should see a gear icon labeled Options), release the power button. Switch on your Mac and hold the power button while the computer starts. Make sure that it has a good ventilation to prevent heating. Place your Mac on a flat and stable surface. Keep only the mouse, keyboard, display, AC power connection and the Ethernet connection.ģ. Detach all external equipment from your Mac. How to use Apple Diagnostics to test your Mac for issues? Preparation steps:Ģ.
More details for OS X Lion V10.7 or later and MacBook Air (late 2010):.How to use Apple Diagnostics to test your Mac for issues?.
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