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**FINAL WARNING** Make sure that the device used in the dd command above is correct. **WARNING** All data on the USB key will be lost is the file path for the input image file. dev/disk2) not a partition designation (ie. is the device the USB key is assigned to. In the example above the device name is /dev/disk2Īs the root user, use the 'dd' command to write the image to the USB drive. In the example above the device name is /dev/sdb Unmount all volumes on the USB drive by typing the following command: dev/sdb Lexar JumpDrive 15G disk AASNGKKA04EW2GXD dev/sda VMware, VMware_Virtual_S 80G disk Lsblk -p -o NAME,VENDOR,MODEL,SIZE,TYPE,SERIAL Double-check to make sure you have the correct drive. **WARNING** The contents will be overwritten in the next steps.ĭetermine which device the USB drive is assigned as by opening the Terminal and typing the following command. Insert a USB flash drive into a USB slot. For the free edition of MemTest86, this file is called, memtest86-usb.img

Inside the Zip there is a "disk image" file. Download the current Memtest86 package as a Zip file from this page.Creating a MemTest86 bootable USB Flash drive in Linux/Mac