Hard Drive shows up as Local Disk C (RAW) > formatted to exFAT, "The parameter is incorrect"

katshaaa

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Jan 29, 2015
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Hello.

I have a TOSHIBA 1TB external hard drive that went bad a few days ago; when I plugged it in, it shows up as Local Disk C and was shown as a RAW drive in disk management. I recovered my files overnight with MiniTool Power Data Recovery and tried to format the drive, but it was unable to complete. Searching the internet led me to follow a few steps by removing and re-adding the drive letter, but after I've done that, my laptop was only able to format the drive to an exFAT format (I prefer NTFS). Regardless, a working exFAT hard drive is better than a useless RAW hard drive, so I formatted it to exFAT anyway.

Earlier, I tried to copy some files to my exFAT drive, but it was taking too long, so I canceled the copy. Then, it shows up like this:

2ia8pyp.png


I was unable to open the drive, as it shows the message "The parameter is incorrect". I tried reformatting it (not using disk management, as it is taking forever to load) to both exFAT and NTFS, but it was unable to complete. Furthermore, it is now back to the Local Disk format again, so I'm reformatting it to exFAT, though I'm afraid the same thing will happen again? Is it possible to reformat the drive to NTFS after it is formatted to exFAT? I tried this before, but it didn't work -- the drive went back to the Local Disk format.

UPDATE:

I've formatted it to exFAT and it does the exact same thing; i.e showing up like the above picture and turning back to Local Disk when I tried to format it to NTFS. I don't know what else to do lol, so any help would be very much appreciated.
 
Solution
Hey katshaaa. For the "The parameter is incorrect" error, I'd recommend that you try the CMD command chkdsk /F /R /X F: (where F is the HDD's currently assigned letter). This might fix the issue for you. As for the reformatting, yep, you should be able to reformat the drive to NTFS after it has already been formatted with the exFAT file system. I'd also recommend that you download the manufacturer's diagnostic tool or a 3rd party one and test the drive. You should also try the HDD with another computer and/or different USB cable (not longer than 12") to see if the same thing happens.

Hope that helps.
Boogieman_WD
Hey katshaaa. For the "The parameter is incorrect" error, I'd recommend that you try the CMD command chkdsk /F /R /X F: (where F is the HDD's currently assigned letter). This might fix the issue for you. As for the reformatting, yep, you should be able to reformat the drive to NTFS after it has already been formatted with the exFAT file system. I'd also recommend that you download the manufacturer's diagnostic tool or a 3rd party one and test the drive. You should also try the HDD with another computer and/or different USB cable (not longer than 12") to see if the same thing happens.

Hope that helps.
Boogieman_WD
 
Solution