How To Run Memory Diagnostics !link! Jun 2026

By default, the utility runs a Standard test pass. You can press at any time to open the options menu. Here, you can switch to a Basic test (faster but less thorough) or an Extended test (highly thorough but takes several hours). You can also toggle the CPU cache settings and change the pass count. Press F10 to apply any changes. Step 4: Check the Results

Once the test hits 100%, your PC will reboot automatically back into Windows. The results usually appear as a pop-up notification in your system tray. If the notification does not appear, follow these steps to find them manually: Right-click the button and select Event Viewer . Expand the Windows Logs folder on the left sidebar. Click on System . Click Find in the right-hand Actions pane. Type MemoryDiagnostics-Results and click Find Next .

Press Windows Key + R on your keyboard to open the dialog box. Type mdsched.exe into the input field. Press Enter or click OK . Step 2: Choose Your Restart Option A window will appear offering two choices: how to run memory diagnostics

This schedules the test for your next manual system reboot. Step 3: Monitor the Test

Press on your keyboard to initiate Diagnostics mode. For Intel-Based Macs Turn off your Mac. By default, the utility runs a Standard test pass

Apple Diagnostics will check the entire hardware configuration, including the integrated memory. If a problem is detected, it will display a reference code. Codes starting with indicate a potential memory issue that requires hardware service. Interpreting Failure and Next Steps

Windows provides a native tool to check for RAM defects without requiring external software. RAM: How to Test RAM Modules for Memory Issues - Corsair You can also toggle the CPU cache settings

The test runs by default. To choose more rigorous options, press F1 to switch to the Extended test, which takes significantly longer but is more thorough . Viewing results:

Before testing your hardware, look for these warning signs that indicate your RAM may be unstable or degrading:

: Your computer stops responding during high-load tasks (like gaming or video editing).

Note: The test cannot run while Windows is active because the OS is using the RAM. The computer must reboot into a special diagnostic environment.