If your Mac is from 2013 or later, use Apple Diagnostics, which is built into your Mac. If your Mac is from 2012 or earlier and has OS X 10.8.4 or later, use Apple Hardware Test, which is built into your Mac. If your Mac is from 2012 or earlier and has OS X 10.8.3 or earlier, use the system software disc or USB flash drive that came with your Mac. Perform a system test to download the OnVUE online proctoring software in advance to ensure that your system will work with our software. Please check our list of minimum system requirements, and shut down all non-essential applications before launching the software.
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
Test out the Mac OS X interface online with the OS X Mercury webapp. Created by a Mac die hard - not affiliated with Apple - OS X Mercury lacks some of the subtle nuances of the actual OS X. Software Requirements To Take A Test On A Mac In order to access your test on a MAC, you will need the following requirements: OS X (10.9 or higher) Google Chrome, Safari (5.0.6. Rember is actually a GUI for the popular command line memory testing tool called.
- Disconnect all external devices except keyboard, mouse, display, Ethernet connection (if applicable), and connection to AC power.
- Make sure that your Mac is on a hard, flat, stable surface with good ventilation.
- Shut down your Mac.
- 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:
- 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.
- 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.
This step requires an Internet connection. If you're not connected to the Internet, you'll see a page describing how to get connected.
If holding down the D key at startup doesn't start Apple Diagnostics:
- 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.
Why take the time to load up a browser when Speedtest is right there on your desktop? Available for Mac and Windows, this embedded experience is specifically designed to be fast and easy to use.
- Discover your download and upload speeds
- Diagnose connectivity issues
- Detect trends over time with detailed reporting
Test My Mac Performance
Available in 17 languages.
System Test For Macbook
Our mission at Speedtest by Ookla® is to make the internet faster by providing data and insights on real-world internet speeds. With billions of tests worldwide, we meet you where you are with apps for the devices you use most.