Frequently Asked Questions

Captain Nemo Pro — FAQ

  • Novell Netware 3.xx, 4.xx and 5.xx, supports Netware compression and sub-allocation
  • Windows NTFS, supports NTFS compression, volumes > 2 TB 
  • Linux EXT2, EXT3, EXT4
  • XFS
  • Mac HFS+, APFS

Make sure that the foreign drive is cabled correctly, and that is was detected by the BIOS or as a USB device.

Make sure Captain Nemo supports the file system you are trying to mount.

The software relies on an intact file system structure. If your drive had any problems recently, Captain Nemo might not be able to mount it. Running GetDataBack Pro can recover files from a damaged file system.

No, we find it too dangerous to allow write access to the foreign partitions. Therefore the file systems are read-only.

Linux allows upper and lower case file names. If the first "file" is copied to the Windows file system, then the second "FILE" is also copied over, Windows does not distinguish between lower and upper cases and sees both as the same file.

Mounting time can vary, depending on the size of the drive. But hours are not expected. Captain Nemo is supposed to mount the foreign drives in seconds or minutes. An exception are Novell-formatted drives, as their directory structure is completely read into memory.

The shareware version of Captain Nemo allows you to see the files on your mounted drive. To copy these files, you have to license the software. Licensed users are also eligible for free updates and technical support.

No, updates of Captain Nemo are always free for licensed users. You can download the latest version on our website and activate it with your license key.

Yes, we offer rebates for everyone purchasing two or more copies of our software. Just contact us to learn about our current rebate conditions.

A disk error is a sign of a hardware problem. It might be better to make a disk image first, as every attempt to access data can increase corruption. After successfully creating an image, you can use the image file as an input for Captain Nemo. You can also try to ignore this error. 

Do a "Search" for your files for a chance to find them in some hidden subdirectory.

Otherwise, the file system might be too damaged for Captain Nemo to mount the drive correctly. Try to retrieve your files with GetDataBack.

As long as your drive does not have a physical problem, it is safe to use Captain Nemo. The program does not change anything on the drive, as it is a read-only software. Install the software on a working Windows computer and attach the hard drive, which you want to mount, as a second hard drive to this computer. Make sure that the BIOS recognizes this hard drive.

One option is to remove the laptop's drive and connect it to the SATA cable of a desktop computer.

Another option is to create a WinPE boot medium and run the software from there. You can find instructions on creating a boot CD or USB stick here

Yes, Captain Nemo works on hard drives of any size. Keep in mind that your computer, BIOS, hard drive controller, and operating system (Windows) must support your drive's size too. This support might be a concern if you run Captain Nemo for a modern large drive on a machine that is a couple of years old.

Third-party software-encrypted drives behave transparently, once they have been unlocked. That means you can run Captain Nemo on them as you would on a regular drive. It might be helpful first to image the unlocked volume, and later mount this image with Captain Nemo.

Some USB drives (WD) are hardware-encrypted with the encryptor build into the USB controller. The good news is, most of these controllers use the same key.

If you can still access the RAID volume (this is the combined RAID, not the members), you can mount it like a regular drive. If the RAID is not accessible or broken, you need to "de-stripe" it first. Use RAID Reconstructor for this. It generates a VIM file (Virtual Image) that, together with the member drives, you can mount it with Captain Nemo.

That is not possible directly. You must take the network drive offline and attach it physically to the machine running Captain Nemo. It must be a single drive with a supported file system. If the network drive internally consists of several drives, see the next question.

You can not access data from a NAS over the network. For Captain Nemo to work, the drive or drives must be locally and physically present at the computer running Captain Nemo. The file system on the NAS must be supported. If the NAS consists of more than one drive, you need to run RAID Reconstructor first to obtain a VIM file (Virtual Image).

Yes, you can create Linux DD images that are compatible with Captain Nemo. For example, the following command would create an image in the user's home directory:

dd if=/dev/hda of=~/hdadisk.img bs=4K conv=noerror,sync

Make sure you include the conv=noerror,sync options, so the image does not stop on read errors, and the offsets are preserved.

Yes, it does. You can access files with names encoded in non-ASCII character sets. These include all Unicode character sets, such as Japanese, Chinese, Korean, Russian, Greek, etc.

Please map the network drive to a drive letter. If you still can not copy to the network drive, check this.

Start a VM running Windows. Inside the VM, install Captain Nemo Pro. Shut down the VM and attach the drive you want to access in the VM control panel. Then run Captain Nemo within the Virtual Machine.

Captain Nemo mounts a drive as long as the file system structures are intact, while GetDataBack can reassemble damaged file systems.

Captain Nemo reads only the directory that is currently requested, while GetDataBack reads the entire directory structure. This makes Captain Nemo a lot faster than GetDataBack.

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