Memory diagnostic Tool (Build-in)

Diagnosing memory problems on your computer

If Windows detects possible problems with your computer's memory, it will prompt you to run the Memory Diagnostics Tool.

Running the Memory Diagnostics Tool

When you receive a notification about a possible memory problem, click the notification to choose between two options for when to run the Memory Diagnostics Tool.

The Memory Diagnostics Tool gives you two options

If you choose to restart your computer and run the tool immediately, make sure that you save your work and close all of your running programs. The Memory Diagnostics Tool will run automatically when you restart Windows. It might take several minutes for the tool to finish checking your computer's memory. Once the test is completed, Windows will restart automatically. If the tool detects errors, you should contact your computer manufacturer for information about fixing them, since memory errors usually indicate a problem with the memory chips in your computer or other hardware problem.

Advanced options for running the Memory Diagnostics Tool

We recommend that you let the Memory Diagnostics Tool run automatically. However, advanced users might want to adjust the tool's settings. Here's how:

1. When the Memory Diagnostics Tool starts, press F1.

2. You can adjust the following settings:

   • Test mix. Choose what type of test you want to run: Basic, Standard, or Extended. The choices are described in the tool.

   • Cache. Choose the cache setting you want for each test: Default, On, or Off.

   • Pass count. Type the number of times you want to repeat the test.

3. Press F10 to start the test.

To run the Memory Diagnostics Tool manually

If the Windows Memory Diagnostics tool doesn't run automatically, you can run it manually.

1. Open Memory Diagnostics Tool by clicking the Start button , and then clicking Control Panel. In the search box, typeMemory, and then click Diagnose your computer's memory problems.  If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

2. Choose when to run the tool.

 

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