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. Right-click 'This PC' and choose 'Manage' > 'Disk Management'.