Disk Diag - how do I download the app on PC? If you want to download the software on your pc or mac, you could either first visit the Mac store or Windows AppStore and search for the app OR you can easily use any of the download links we provided above under the 'Download and Install' header section to download the application. In the Disk Utility app on your Mac, choose View Show All Devices. Note: If you’re checking your startup disk or startup volume, restart your computer in macOS Recovery, select Disk Utility in the macOS Utilities window, then click Continue. Don't expect Disk Diag to be a very high end or comprehensive tool. It does it's main functions well and efficiently. It's very quick and easy to use as well which has made it a very popular utility that can even be used by people who are completely new to Mac systems. Disk Warrior is the most advanced repair and recovery tool for the mac users and allows you to restore your data from a single click. The tool is amazingly easy to use and very reliable. With this software, you will be able to get back up to what you were working on fast. Hardware Diagnostic Software for Android – Phone Tester (hardware info). At a minimum diagnostic tests should be run on the disk. The Mac's native Disk Utility application can help determine whether a system's hard drive is encountering trouble.

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If your Mac is suddenly suffering hardware or software issues, or is generally acting up you can run sysdiagnosein Mac OS X Terminal. Sysdiagnose compiles a number of advanced technical reports for expert Mac users to review and troubleshoot appropriately. Sysdiagnose will output the following information in a tar.gz file.

• Crash report
• Input/Output details
• Disk information
• Compiled system profiler report
• System logs (including kernel logs)
• Filesystem usage report
• Memory usage and processes details
• Powermetrics

In reality, Sysdiagnose is ran and performed by Mac OS X technical specialists including Apple store engineers (Genius Bar) and authorized Mac repair shops. The sysdiagnose report is run on Mac X systems as a last or first resort to solving and understanding complex technical hardware and software issues.

Get Started Running Sysdiagnose in Terminal

1. Open Terminal (Applications -> Utilities -> Terminal)

2. Type the following command in Terminal. Be prepared to wait about 2 to 5 minutes for Sysdiagnose to completely run.

You will receive the following warning prompt:

This tool generates files that allow Apple to investigate issues with your

/best-mac-app-for-downloading-youtube-videos.html. computer and help improve Apple products. The files might contain personal

information found on your device or associated with your iCloud accounts and/or

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AppleID, including but not limited to your name, your user name, your email address

and email settings, file paths, file names, downloads, your computer’s IP addresses,

and network connection information.

This information is used by Apple in accordance with its privacy policy

(www.apple.com/privacy) and is not shared with any other company. By using

this tool and sending the results to Apple, you consent to Apple using the

contents of these files to improve Apple products.

Press 'Enter' to continue.

3. Confirm and press return.

4. Sysdiagnose begins running. Below is what you might see as the process runs.

sysdiagnose version 3.0 (56)

Starting time sensitive tasks..

Running ps

Running thread-aware ps

Running fs_usage, spindump, vm_stat, and top

Running powermetrics

Starting graphics tasks..

Gathering Quartz Compositor information

Starting memory tasks..

Running lsof

Running footprint

Collecting file coordination status

Starting disk tasks..

Running diskutil

Running gpt

Running hdiutil

Running BootCacheControl

Running df

Running mount

Starting kernel tasks..

Starting networking tasks..

Getting Wi-Fi info

Getting opendirectory info

Getting NFS info

Running netstat

Running ifconfig

Running ipconfig

Running scutil

Running dig

Running get-network-info

Starting power tasks..

Running pmset

Starting configuration tasks..

Running system_profiler

Running ioreg

Gathering loginwindow logs

Gathering logs..

Generating microstackshot reports..

5. Once Sysdiagnose completes, a new window will pop up to your Mac temporary folder. The path is /var/tmp/ and inside you will have your Sysdiagnosefile - sysdiagnose_2017.02.04_14-20-31-0600.tar.gz – the file will vary in size but should be between 10 and 30megabytes.

6. You can open the .tar.gz file by double-clicking it. This will contain a folder of over 75 files and folders with the information Sysdiagnose collected.

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Note: Sysdiagnose collects system info including wireless networks, network configurations, and system account usernames. While the info isn’t necessarily confidential, you should be aware it is being collected if you are sharing these reports.

Remember, Sysdiagnose compiles a detailed report of your Mac OS X machine in attempt to troubleshoot system software or hardware problems. Learn more about troubleshooting Mac X issues.

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After isolating an issue on your Mac to a possible hardware issue, you can use Apple Diagnostics to help determine which hardware component might be causing the issue. Apple Diagnostics also suggests solutions and helps you contact Apple Support for assistance.

If your Mac was introduced before June 2013, it uses Apple Hardware Test instead.

How to use Apple Diagnostics

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1. Disconnect all external devices except keyboard, mouse, display, Ethernet connection (if applicable), and connection to AC power.
2. Make sure that your Mac is on a hard, flat, stable surface with good ventilation.
3. Shut down your Mac.
4. Turn on your Mac, then immediately press and hold the D key on your keyboard. Keep holding until you see a screen asking you to choose your language. When Apple Diagnostics knows your language, it displays a progress bar indicating that it's checking your Mac:
   
5. Checking your Mac takes 2 or 3 minutes. If any issues are found, Apple Diagnostics suggests solutions and provides reference codes. Note the reference codes before continuing.
   
6. Choose from these options:
   • To repeat the test, click ”Run the test again” or press Command (⌘)-R.
   • For more information, including details about your service and support options, click ”Get started” or press Command-G.
   • To restart your Mac, click Restart or press R.
   • To shut down, click Shut Down or press S.

If you choose to get more information, your Mac starts up from macOS Recovery and displays a web page asking you to choose your country or region. Click ”Agree to send” to send your serial number and reference codes to Apple. Then follow the onscreen service and support instructions. When you're done, you can choose Restart or Shut Down from the Apple menu.

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This step requires an Internet connection. If you're not connected to the Internet, you'll see a page describing how to get connected.

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If holding down the D key at startup doesn't start Apple Diagnostics:

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• If you're using a firmware password, turn it off. You can turn it on again after using Apple Diagnostics.
• Hold down Option-D at startup to attempt to start Apple Diagnostics over the Internet.