Immediately after powering on the pc press and hold the left shift key, this will open the grub menu. Select memtest and launch it.

How do I run Memtest in Linux?

Hold down Shift to bring up the GRUB menu. Use the arrow keys to move to the entry labeled Ubuntu, memtest86+. Press Enter . The test will run automatically, and continue until you end it by pressing the Escape key.

How do I run Memtest?

To launch the Windows Memory Diagnostic tool, open the Start menu, type “Windows Memory Diagnostic”, and press Enter. You can also press Windows Key + R, type “mdsched.exe” into the Run dialog that appears, and press Enter. You’ll need to reboot your computer to perform the test.