Novabench is a free tool that provides Mac benchmark test for your whole system, including CPU, RAM and graphics performance. You can test your whole computer in minutes and even compare results with thousands of other systems. To run the Mac speed test, do the following: Launch the app. Click the Start Tests button. Novabench is a free benchmark that tests your computer's performance. Novabench has been trusted by millions since 2007. Test Testing your computer is easy and only takes a few minutes.
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.
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If your Mac was introduced before June 2013, it uses Apple Hardware Test instead.
How to use Apple Diagnostics
- 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.
Test your Macromedia Authorware Web Player installation. If you already have Adobe Shockwave Player, these movies may trigger an automatic update to your players. Follow the instructions in the dialog boxes that appear to complete the update. Updates can take several minutes with a. There’s nothing faster than launching a Speedtest straight from your Mac toolbar. Download the free Speedtest macOS app today for the quickest way to check your connectivity. Get a real-time check of your ISP’s performance and detect trends over time with data on.
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.
Learn more
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.
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