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I've probably missed something but I can't find the memtest option when booting from my Ubuntu 12.04 Live USB.

Could someone please tell me how to get to it?

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If you have an UEFI bios and you want to test your memory for errors you need to downlaod the seperate image from The utility on the Ubuntu live CD/DVD/USB does not work with computers with a UEFI BIOS. – Luckyrings Feb 21 '13 at 20:03
up vote 23 down vote accepted

You need to boot from live CD or USB. Press and hold any key while your computer is booting.

Press 'F6', a language menu will pop up, select English and press enter. You will then be presented with the option menu.

The options will be

  • Try Ubuntu without installing
  • Install Ubuntu
  • Check Disk for Defects
  • Test memory
  • Boot form First Hard disk

If you select Test Memory you will be presented with another menu that will allow you to select which test(s) you want to run.

F.Y.I. Check Disk for defects will check the installation media for defects(not the hard drive)

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Thanks for that! – Fabian Tamp Sep 14 '12 at 6:21
@Takkat thanks for the screenshot – TrailRider Sep 14 '12 at 22:26

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