I am not responsible in any way for any damage caused by this steps. USE MPTools WITH CAUTION! You CAN render the drive useless, so be sure to backup the firmware if it's possible with your tool or be prepared to throw it away if something goes wrong.įormat your drive after firmware is reflashed

So google 'MPTool ', and you are likely to find some links to manufacturer's download page. Sometimes they are vendor generic, sometimes device specific (it was the second case for me). Right-click on the USB drive that is recognized as CD-ROM and then select. Press ‘ Windows + R ’ and type diskmgmt.msc and hit Enter to open the Disk Management tool. What you need is MPTool (Mass Production Tool) for your specific controller. After saving the recovered data, proceed to repair the USB flash drive that is recognized as CD-ROM using the following steps: Keep the flash drive connected to the system. This is also the fix for those fake usb flash drives (drives with fake capacity, '256GB' sticks with only 1GB chips in themįind your device vendor and ID's either by looking on controller chip or using software like ChipGenius (in my case it was Alcor SC908AN) This is indeed caused by flash drive's firmware, but it's not very difficult to fix it anyway. First of all I want to say sorry for kicking the dead horse and my English.īut since this is the first result when googling for something like 'flash drive showsing as two drives' I decided to post the answer.

Usb shows up as 2 drives