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Common Causes / Issues

We have identified a firmware issue that can cause SanDisk Extreme Portable SSD V2 (SDSSDE61-4T00), SanDisk Extreme Pro Portable SSD V2 ((SDSSDE81-1T00, SDSSDE81-2T00, SDSSDE81-4T00), and WD My Passport SSD (WDBAGF0040BGY) products to unexpectedly disconnect from a computer.

Full details, including a serial number lookup tool to find out if your product is impacted, can be found on the Firmware Updates for SanDisk & WD Portable SSDs page.

Resolution / Instructions

Critical: Ensure to create and verify a backup of all critical data to another location or device before updating the firmware on any drive.

1. Connect drive to a USB port on a Windows 10 or 11 computer.
   
   

   



2. Download firmware updater package onto local drive.
   
   
   • SanDisk and WD Firmware Updater


3. Extract zip file into a different folder.
   
   

   



4. Double click file to update firmware.
   
   
   • SanDisk Extreme Portable SSD V2 and SanDisk Extreme Pro Portable SSD V2
     SanDisk_Extreme_Portable_and_Pro_SSD_V2_Firmware_Updater.exe
   
   
   • WD My Passport SSD
     WD_My_Passport_SSD_Firmware_Updater.exe
   
   

   



5. Click Yes.
   
   

   

   
   

   The following messages will appear based on the drive and firmware status:

   • Device is up to date: Firmware is up to date.
   • No compatible device found: Incorrect updater is used.
   • Can not find Sandisk or WD target device: No compatible device is detected by Windows.
   • Device update successful: Firmware updated successfully.


6. Click OK.
   
   

   



7. Click OK.
   
   

   



8. Safe Eject the drive.
   Remove the drive from the computer.
   Connect the drive to the computer again.
   
   Need more help?
   Answer ID 21880: Steps to Safe Eject and Remove USB Flash and External Drives on Windows or macOS.
   
   

   

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