Unfortunately, if a BIOS or UEFI firmware was designed to expect 512 byte sectors, booting with anything else is expected to be problematic. As a matter of fact, none of the machines I tested were able to boot from a 4096-byte sector size USB device (but I have rather old BIOS based systems and only one UEFI machine to test with). However, I make no promise that your BIOS or UEFI firmwares will be able to boot a flash drive that uses a nonstandard sector size. I also should have a fix for this issue, and I uploaded an ALPHA version of the upcoming 1.4.11 version of Rufus for you to test. OK, I have now managed to get my hands on a UASP controller that force the sector size to 4096, and I was able to replicate your issue. Write_sectors: Write error The parameter is incorrect. Volume does not have an x86 Partition Boot Record Start Sector: 64, Boot: Yes, Recognized: Yes StartSector: 0x00000000, nSectors: 0x1, SectorSize: 0x200ĭrive does not have an x86 Master Boot Record Read_sectors: Read error The parameter is incorrect. Trying to format drive in Rufus again after diskpart leads to same error.įound USB 2.0 device 'CBM Flash Disk USB Device' (1976:6025)ĭisk type: Removable, Sector Size: 2048 bytesĬylinders: 64, TracksPerCylinder: 255, SectorsPerTrack: 63 Using "check device for bad blocks," 2 passes, returns no error.ĭrive formats fine outside Rufus - tried diskpart format, works flawlessly, disk reads properly after. Tried different file systems, "quick format" on/off, disabling everything but format. Gives "Error: write error" as soon as a format begins.
Rufus seems to refuse to write to my USB drive, using any settings.
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