Memory Test

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This page will detail how to run a full test of the NAS memory using the Memtest86+ utility.

This procedure only applies to NAS models with Intel and AMD CPU.

Memory Test SOP for x86-based NAS

Applied QNAP NAS models

NAS models with Intel and AMD CPU

Instructions for Performing the Memory Test


A. How to create a Memtest USB boot disk.


  1. Go to http://www.memtest.org/#downiso and download the latest "Auto-installer for USB Key" file.
  2. Extract the zip file to the folder you downloaded it to.
  3. Plug a USB flash drive to your PC and run the Memtest Auto-Installer file extracted from the step above to create a bootable USB


B. How to use the Memtest USB boot disk to test the NAS memory


1. Power off the NAS.

2. Remove all the hard disks.
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3. Connect the NAS with a VGA/HDMI monitor, USB keyboard, and the bootable USB disk.

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4. Power on the NAS and press the <DEL> key to enter BIOS setup. 

5. Press the right arrow key to navigate to the Boot settings screen and configurechange the boot order.

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6. Reconfigure the first boot device to your USB flash drive. Select your USB flash drive name. (Ex: choose "Patriot Memory PMAP" here)

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[NOTE]: If there are two USB devices, don't select “USB DISK MODULE PMAP”.

7. Press the right arrow key to navigate to Save and Exit to save configuration and exit.

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8. The memory test will begin automatically

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