An extensive user guide with simple step-by-step instructions for using MemTest86 to diagnose and troubleshoot PC memory problems. Support for booting on the UEFI platform. Pro edition of MemTest86 pre-installed and ready to use (for the flash drive option). Then, the MemTest86 test will start automatically.The MemTest86 Flash Drive & Pro Download includes Power on your PC and press the BIOS key to enter firmware. Step 2: Run MemTest86 to test the memory. Follow the wizard to complete the image writing process. As for other parameters, you can keep the default value. You need to tick the checkbox before the USB drive and then click the Write to UFD button. Unzip the memtest86-4.3.7-usb.img file. I choose the Image for creating bootable USB Drive. Because my computer uses MBR boot mode, I download the V4 Windows version. Go to this page to download MemTest86. Step 1: Download and install MemTest86 to your USB drive. To run this program, you need to install it onto a USB drive. MemTest86 is designed to run as a stand-alone, self-contained program from a bootable USB flash drive, CD-ROM, or floppy disk without an operating system present. However, MemTest86 supports Windows, Linux, and macOS, while MemTest86+ only supports Windows and Linux. MemTest86+ is completely free and the latest version released in October 2022, has been rewritten for UEFI support and DDR4 and DDR5 RAM. The free version lacks some features like DDR5/DDR4 DIMM Decoding, New 64-bit/SIMD tests, ECC error injection, SPD data validation, etc. MemTest86 has a free and a pro version. You need to download the older 4.3.7 version separately. The latest MemTest86 version will not boot on non-UEFI systems. Which one should you use? I will prefer MemTest86+ and the reasons are as follows: They are developed by two different teams but started with the same code.īoth versions now support current multi-core processors and the corresponding chipsets. 
Memtest86+ is a development fork of the original MemTest86.
Many people may be confused about the relationship between MemTest86 and MemTest86+. MemTest86+ is also a memory test program. Once it detects serious errors, you may need to replace the memory bar. MemTest86 is a memory test program designed to test and stress test an x86 architecture computer’s random-access memory (RAM) for errors, by writing test patterns to most memory addresses, reading back the data, and comparing for errors. What is MemTest86? What’s the difference between MemTest86 and MemTest86+? How to use MemTest86 and MemTest86+ to test the computer memory? This post from MiniTool Partition Wizard will show you all.
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