Click “Apply” > “Proceed” to commit the pending operation. In this window, you can choose a proper MBR type for your current operating system and then click “OK”.ģ. Right-click the uninitialized disk and select “Rebuild MBR”.Ģ.

Free download AOMEI Partition Assistant, install and open it in Windows computer. It is a free disk manager for Windows 10/8/7/XP/Vista.ġ. For this task, you can use AOMEI Partition Assistant Standard. Therefore, you can rebuild MBR to solve this problem. Then, you can try the following fixes.Īs we mentioned above, damaged MBR might also be a reason for hard disk not initialized issue. In this case, the uninitialized disk shows as unallocated space, which means the hard disk has been recognized successfully by your current Windows operating system, but the partition is lost or deleted by accident, there are bad sectors on the disk or the MBR is damaged for some reasons. disk unknown, not initialized, unallocated We will tell how to tackle those two different cases in Windows 10/8/7 elaborately in the next part. ▶ Bad sectors exist on the disk Effective fixes for “hard disk not initialized” issue on WindowsĪs we have already known that there are two different cases about hard disk not initialized issue in Windows 10/8/7, it is necessary to take different measures accordingly. ▶Partition get lost or deleted unintentionally In general, the possible causes behind the disk unknown not initialized (unallocated space/ no disk space) issue can be concluded as below: To find the proper hard disk not initialized fixes, firstly, you need to figure out why it happens. Possible causes of “hard disk not initialized” Is there any easy hard disk not initialized fix? I don't want to lose my data. When I enter disk management the disk is shown as “unknown, not initialized, no size”. Whenever I plug in my external hard drive to PC, it says that it's successfully installed however I cannot see it 'my computer'. After that, the hard disk was not readable/accessible and shown as “disk unknown not initialized unallocated” in the disc management.Ĭase 2. I was copying some new photos when my computer crashed while the process was still ongoing. I have a Seagate 2TB external hard drive used to store family photos.

Further study: hard disk not initialized fixes for MacĬase 1.Effective fixes for “hard disk not initialized” issue on Windows.Possible causes of “hard disk not initialized”.

Mac disk image wrong free space