DISKPART> list disk DISKPART> select disk 1 DISKPART> clean DISKPART> convert mbr Step 2: Format the Drive to FAT32 With Correct Cluster Size
Many modern USB 3.0+ flash drives or external HDDs are incompatible.
Newer iterations include updated USB mass storage drivers that vastly improve hardware compatibility. ulaunchelf mass empty
If you are looking for specific files (like .elf files) and the folder looks empty, you might have a filter on: Press while in the File Browser. This toggles between "Show All Files" and "Show Only ELFs". 4. Drive Clean-up
Select "Non-bootable" and under Partition Scheme, choose . 2. File System Incompatibility (Must Be FAT32) DISKPART> list disk DISKPART> select disk 1 DISKPART>
Try formatting with a 32KB cluster size (Allocation Unit Size) for better compatibility. 3. Physical Compatibility Issues
Because the PS2 was released in the year 2000, its hardware relies on extremely legacy protocols. The system is notoriously picky about USB devices and partition structures. When you click on mass: and see no files or a blank screen, it is almost always caused by an incorrect file system or partition map on your computer's end. 🛠️ How to Fix the "Empty Mass" Issue This toggles between "Show All Files" and "Show Only ELFs"
If the USB isn't recognized immediately, forcing a refresh of the Free MCBoot (FMCB) menu can help. Open uLaunchELF.
If you have formatted the drive correctly to FAT32/MBR and it still reads as empty, your hardware might be the issue.
Ensure your USB drive contains only one single primary partition. Delete any hidden recovery or system partitions.
Sometimes, even a correctly formatted drive may contain errors that cause problems. In Windows, open Command Prompt as administrator and run chkdsk X: /f (replace X: with the letter assigned to your USB drive). On macOS, open Disk Utility and run First Aid on the drive. Also avoid unnecessary tools like USBOOT that change drive modes, as they are usually not required and can cause more problems.