Important

• This section provides a quick-start summary for using Windows Memory Diagnostic. Only basic information about using Windows Memory Diagnostic is included here. For more complete information, we recommend that you read the entire guide.

Windows Memory Diagnostic tests the Random Access Memory (RAM) on your computer for errors. Windows Memory Diagnostic includes a comprehensive set of memory tests and predefined test suites that provide varying degrees of testing thoroughness. If you are experiencing problems while running Windows, you can use Windows Memory Diagnostic to determine whether the problems are caused by failing hardware, such as RAM or the memory system of your motherboard. To test the memory in your computer, Windows Memory Diagnostic runs test passes, which consist of all the tests included in the currently selected test suite.

To run Windows Memory Diagnostic, you must first set up Windows Memory Diagnostic on a 3.5-inch floppy disk or CD-ROM.

1. Go to the directory where you saved the Windows Memory Diagnostic executable file.
2. Double-click mtinst.exe to start Windows Memory Diagnostic Setup.
3. Do either of the following:
   • Click Create Startup Disk to install Windows Memory Diagnostic on a floppy disk.
     1. Select the floppy disk drive that you want to use from the list provided.
     2. Insert a formatted floppy disk into this drive and then click Create. When the installation is complete, the Success dialog box will appear.
   • Or, click Save CD Image to Disk if you want to create a CD-ROM that you can use to start your computer.
     1. Select a location where you want to save the International Organization for Standardization (ISO) image and then click Save.
     2. For more information about creating a CD-ROM that you can boot from, see the note at the end of this section.