Right-click 'This PC' and choose 'Manage' > 'Disk Management'. Here are the steps to create a new partition with Disk Management: You can create a new partition with EaseUS Partition Master or with Disk Management. Fix Disk Unknown by Creating a New PartitionĪnother way to solve the WD disk unknown or not initialized error is by creating a new partition. Execute the operation and click 'Apply'.Ġ:00-0:22 Initialize to MBR 0:23-0:49 Initialize to GPT Step 2. A pending operation of initializing disk to MBR or GPT disk will be added. Right-click the target HDD or SSD and select 'Initialize to MBR' or 'Initialize to GPT' accordingly. This software is fully compatible with all Windows systems, and you can directly follow to fix WD HDD/external hard drive not initialized error now. The easy-to-use partition manager software - EaseUS Partition Master is my recommendation. You can use Disk Management to initialize the disk or use a tool. It is the quickest and easiest way to fix disk 1 unknown, not initialized error. The very first thing you need to do is initialize your hard drive or external devices.

Initialize the WD HDD or External Hard DriveĪpplies to: Disk not initialized and shows unallocated space Your situation will have different solutions to the problem 'disk not initialized' on your computer. I'm using Windows 10, and if you know any methods to solve this issue, please let me know. It even shows as Unknown in Disk Management. 'Do you know how to fix the issue and make unknown WD hard drive detectable again and get rid of the I/O device error on it? My computer cannot recognize my WD hard drive suddenly, and it keeps pops up an error message with an I/O device error. WD hard drive displays unknown with I/O error in Windows 10 What can I do? Please let me know if you have any recommended methods or solutions to fix the WD external HDD not initialized error. The WD external hard drive becomes Unknown and Not Initialized in Disk Management. 'Hi there, do you know how to fix the problem that WD hard drive cannot be detected on my PC. WD 1TB external hard drive becomes not initialized in PC, help! Here are two cases from some forums:Ĭase 1. Most people are bothered with disk not initialized or I/O device error. You can contact Western Digital technical support or find an expert. Right-click on 'This PC' and choose 'Properties'. Full stepsĬonnect your WD external hard drive to another USB port on your computer. Full stepsĬonnect the USB, SD card or external hard drive on which you lost partition to your computer.

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