

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.

Insufficient RAM is one of the most frustrating computer problems, as symptoms are often random and hard to pin down. Unreliable RAM can cause many problems: corrupted data, crashes, and unexplained behavior. (So there is no need for a future product called MemTest64). This covers both 32-bit and 64-bit machines. The number 86, following the MemTest part of the name, refers to the original x86 CPU instruction set that all of today's PCs use.

MemTest86 boots from a USB flash drive and tests the RAM in your computer for faults using a series of comprehensive algorithms and test patterns. Free Download PassMark MemTest86 Pro for Windows is the original, free, stand-alone memory testing software for x86 computers.
