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How to Run Windows Memory Diagnostic Tool in Windows 7/8/10

Windows Memory Diagnostic tool is built-in features in Windows 7,8,10. It can help you identify and check problems for your RAM.

RAM (the full name is Random-access memory) is a form of computer data storage which stores frequently used program instructions to increase a system speed.

How Do I find How Much RAM My Computer Has?

1, Please find This PC on the desktop. Right-click it and select Properties.

pc properties

2, You can open the System box and find out how much RAM your computer have.

ram installed

If you find the system runs slowly on your computer, maybe it caused by the RAM. You can try to use Windows Memory Diagnostic tool to test the RAM and check it has a problem or not.

How Do I Test My RAM?

Please follow below steps:

1, Press Win + R key to go to Run box and type mdsched in the box. Windows Memory Diagnostic tool will be opened.


2, There are two options in the box:

1) Restart now and check for problems. This is a recommended option.

2) Check for problems the next time I start my computer.

windows memory diagnostic

We advise you to choose 1) option.

3, Windows Memory Diagnostics Tool runs automatically after the computer restart. Test results will be displayed again after you log on. Please hold on for a moment.

windows memory diagnostics tool

When the test finished, Windows will restart again.

If you want to perform more or fewer options, you can press F1 key on the keyboard.

memory test options

4, There are three test mix options in the box.

The Basic tests are MATS+, INVC, and SCHCKR (cache enabled).

The Standard tests include all the Basic tests, plus LRAND, stride6 (cache enabled), CHCKR3. WMATS+, and WINVC.

The Extended tests include all the Standard tests plus MATS+ (cache disabled), Stride38, WSCHCKR, WStride-6, CHCKR4, WCHCKR3, ERAND, Stride6 (cache disabled), and CHCKR8.

You can press Cursor keys on the keyboard to navigate the test mix options. You can also press the TAB key to navigate the cache options if you needed. We take the Standard test as an example.

memory test standard

Then you can press F10 key on the keyboard to run these options.

When you logged on the system, there is no test result on the screen. At this time, you can enter to Event Viewer to find it.

1, Press Win +R key to go to Run box and type eventvwr in it. You can open the Event Viewer box.


2, In Event Viewer box, you can select Windows Logs > System > Filter Current Log options.

event viewer

3, The Filter Current Log box is popped up. You can catch the drop-down menu of Event sources and choose Memory Diagnostics-Results option. Please don’t forget press OK.

filter current log

4, Finally, you can see the result on the middle box.

memory diagnostics results

If the computer has a memory problem, you can contact the computer manufacturer or you can change a new memory if you like.

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