
Our suggestion - we would recommend you use disk management to initialize disk since it is more simpler and user friendly than diskpart command lines. All data would be erased during the process of diskpart initializing the disk. The truth - Diskpart would turn the uninitialized disk to a regular disk format (MBR OR GPT) and it is similar as initializing disk under disk management. How to fix disk unknown not initialized error by diskpart? Is it possible to initialize disk without losing data? As we know diskpart is a Windows command line aiming to change disk properties per the computer usage from users.Īlso read: how to initialize disk without losing files Fix Disk Not Initialized Error with Diskpart It's probably shows disk 1 unknown not initialized with no size or with unallocated attribution in disk management, and most often it would shows question mark in device manager when the disk is damaged by unknown virus or improper operations from users/third party software. Hope I can be assisted here.Fix Disk Unknown Not Initialized Error using Diskpart CMDĭon't get lost once your hard disk (internal&external) suddenly stops working or not showing up in your computer.

I might have some forgotten, yet important files within. What should I do? Although I have not been using it for a while, I wish to check the content first before formatting it. I tested on each, but it is still not working. My notebook has 3 USB ports where according to the manual, 2 of them are backward compatible to 2.0. Plug the device into an available USB 2.0 port." "USB Mass Storage Device is an older USB device and might not work with USB 3.0 I tried "Troubleshoot" and the result says: I also tried to Initialize on MBR, but it returned me with "Incorrect function." message. Here is the status at Computer Management: Using Command Prompt, it says Disk 1's status is "Online", but size is "0".

So I know the problem is most likely on the hard drive.

I also tried on other notebook and it has the same issue. Today when I plugged it in to my new notebook that is running Windows 8.1 now, it doesn't detect my hard drive. I have this 160GB hard drive that I have not been using for a while, yet I am very sure it was working fine the last time I used it.
