The disk shows unknown not initialized in disk management and many users know it is time to get it initialized. The initializing could be done in disk management and not all of them would be performed successfully.
The problem Scenario #1 : a photo shows disk unknown not initialized
Disk 1 unknown not initialized
When you try to initialize it in Disk Management by the following steps, the problem scenario 2 came up with error 'The request could not be performed because of an io device error'
Initialize disk in disk management
The problem Scenario #2 : a photo shows disk cannot be initialized with Virtual disk manager 'The request could not be performed because of an io device error'
The request could not be performed because of an io device error
IO here means input output error. It is the way to write data onto the disk, copy or cut data from the disk to somewhere else. When media is with io device error, it means the disk cannot be accessed no matter reading or writing.
The reason why io device error came up while initialing the disk would mostly be write protection that makes the disk cannot be modified on moving and writing.
Mostly external hard drives are used as backup storage media for personal or work files and it could also become corrupted due to various kinds of causes,
Here are 4 ways that you may use for fixing the disk initialize failure with io device error in disk management or disk failed to initialize by software.
Fix #1 - Fix disk cannot be initialized io device error using cmd [Efficient]
Here are steps to clear disk readonly attribute using cmd diskpart to remove the disk io device error
Diskpart fix disk unknown not initialized
Open cmd and then type diskpart to get it ready for user
Fix #2 - Fix damaged disk using chkdsk /f
This is to repair regular errors on usb disk or internal disk.
Fix #3 - Fix damaged disk using chkdsk /f/r/x
The chkdsk /f/r/x provides checking and fixing damaged parts of hd.
Fix #4 - Fix damaged disk using bootrec /fixmbr
Video - 5 ways to fix disk io device error