FWTS: what is FirmWare Test Suite? what is it for?

FWTS, firmware

FWTS stands for Firmware Test Suite. An open source tool available for Linux that has a suite of firmware tests, performing system firmware health checks. Something especially important to determine the health of the system, since the operation of the hardware depends to a great extent on this code.

Thanks to FWTS, some typical errors of BIOS / UEFI systems, as well as ACPI, which tend to be frequent in some systems, can be identified prematurely. Yes detect problems in your equipment, it will show them and try to provide some tips to help fix these errors, either by taking some actions or updating the firmware.

To install it, you can easily do it from some official repositories of your distro, to use your favorite package manager, or from application stores. Also, if you prefer universal packages like Snap, then you have to know that it is packaged under this format, so it will be very easy to install. In order to download the package, you can access this link.

Regarding the use, It is very simpleFor example, you can use commands like the following (remember that they need privileges, so use su or sudo):

#Mostrar tests disponibles

fwts --show-tests

#Ejecutar todos los tests por lotes


#Escanear APCI Methods

fwts method

#Volcado de UEFI

fwts uefidump

#Ejecutar tests para UEFI

fwts uefirtmisc uefirttime uefirtvariable

#Verificar configuración de CPU

fwts msr mtrr nx virt

#Escanear registro del kernel

fwts klog

By the way, this tool also admits that you believe a Live USB to use it from a pendrive on any computer, without having to install anything on it. In this way, you will be able to create the bootable memory and change the boot priority to boot from this removable medium and be able to perform all the functions on the computer you want to test.

The content of the article adheres to our principles of editorial ethics. To report an error click here!.

Be the first to comment

Leave a Comment

Your email address will not be published.



  1. Responsible for the data: AB Internet Networks 2008 SL
  2. Purpose of the data: Control SPAM, comment management.
  3. Legitimation: Your consent
  4. Communication of the data: The data will not be communicated to third parties except by legal obligation.
  5. Data storage: Database hosted by Occentus Networks (EU)
  6. Rights: At any time you can limit, recover and delete your information.