Hard drive not detected in Windows 8.1 and Windows 8. I was recently update Windows 8 to 8.1 and my second hard drive not found. After update Windows 8 to Windows 8.1, my second partition local disk not found. There only three partition available but before there was 4 partition in Windows 8. After upgrade to Windows 8.1, my one 140GB partition not found and not detected. Second partition not detected in Windows 8.1. After working on this issue, finally I got a solution. There is problem with your local drive letters and path. So, follow simple steps to fix hard drive not detected in Windows 8.1.
How To Fix Hard drive Not Detected In Windows 8.1/8
Right click on My Computer/ My PC and click Manage.
Click Disk Management and find your lost drive.
Now Right click on your lost drive and click Change Drive Letter and Path.
Now select drive and click Change.
Now select any letter and click OK. That’s it.
Hard drive not detected and found is a common Windows 8.1 problem. In Windows 8.1, the drive letters and path rearrange and that’s why problem was arise. Above solution is working for me. So above steps are working perfectly, if you have any questions related to this issue, then comment below.