Refer to the following message from Ubuntu's mailing list if you want to learn more. 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. Restore Default Startup Type for Service for Portable Device Control devices Automated Restore. Perhaps it was corrupted - possibly by a program that doesn't understand GPT partition tables. Windows 10 startup proceeds, but a message box is displayed informing you that the buttonconverter service has failed to start. 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. If you have Office 2010 or earlier and choose to perform a clean install of Windows 10, you will need to locate your Office product key. 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: For more information, check How to upgrade to Windows 10 on new devices that include Office 365.

Windows 10 portable devices