
The version of Windows, Linux, or Mac being used is irrelevant for execution.
MemTest86 is a stand-alone program that does not require or use any operating system for execution. Installation and usage instructions are available on the Technical Information page. Please download the older V4 BIOS release of MemTest86 instead. On machines that don't support UEFI, MemTest86 will not boot. IMPORTANT: MemTest86 V9 images support only UEFI boot. Refer to the following message from Ubuntu's mailing list if you want to learn more.* Once the purchase has been completed, a download link shall be provided that will contain the files needed to create your own bootable media.Ī pre-installed MemTest86 Pro USB Drive is available on our Pricing PageĪ site license is also available, for unlimited use of the software in a company, on our Pricing Page Documentation MemTest86 User Guide Warning: The driver descriptor says the physical block size is 2048 bytes, but Linux says it is 512 bytes.Īll these warnings are safe to ignore, and your drive should be able to boot without any problems. Try making a fresh table, and using Parted's rescue feature to recover partitions.
Is this a GPT partition table? Both the primary and backup GPT tables are corrupt. Or perhaps you deleted the GPT table, and are now using an msdos partition table. Perhaps it was corrupted - possibly by a program that doesn't understand GPT partition tables.
However, it does not have a valid fake msdos partition table, as it should. dev/xxx contains GPT signatures, indicating that it has a GPT table. Ubuntu images (and potentially some other related GNU/Linux distributions) have a peculiar format that allows the image to boot without any further modification from both CDs and USB drives.Ī consequence of this enhancement is that some programs, like parted get confused about the drive's format and partition table, printing warnings such as: