Memtest86+ repeatedly writes an enormous amount of different patterns to all
memory locations and reads them back again and verifies whether the result
of the read is the same as what was written to memory.
If something is wrong with your RAM, this Free (Open Source) memory test will let you know.
Choose between the floppy version and CD Version. I have also included the source code as required by Law. But you won't need it for troubleshooting.
Simply download the appropriate package, the Pre-Compiled package for Floppy (DOS
- Win) for Windows XP users.
Unzip the package
blank floppy into your a: drive and double click the install.bat file.
install prompts you, to use memtest directly, leave the disk in the drive
and reboot your machine.
Your machine should now boot from the disk, display the word Loading
folowed by a series of period. The memory test is automatically started.
When you are done testing simply remove the floppy and restart your
Run from CD
As we did above, download the Pre-Compiled Bootable ISO
(.zip) for Windows XP users.
Unzip the package.
now see a file called in this directory. You will need
to burn memtest86+-1.xx.iso to a CD with a CD recording program.
that you should not make a regular data CD on which you for instance write
your text documents and holiday photographs. Instead the iso file is a "CD image", it is a direct copy of a CD. Your CD recording
program will most likely have a feature called burn image or something to
that effect which you should use to burn the CD.
To run the memory test directly insert the CD and reboot your Computer.
Your PC should now boot from the CD, display the word Loading folowed
by a series of periods and then show a screen much like the screenshots on
the memtest86+ web page. The memory test will start by itself.
When test is finished, remove the CD and reboot the computer.