Drivers/Hardware :: Unable To Assign Drive Letters After Upgrade

Nov 4, 2015

I tried the Windows 10 upgrade when it first came out and immediately went back to 8.1 when I couldn't get a single one of my internal SATA hard drives to mount.. I have 5 of them, and I just wasn't about to mess with that when 8.1 had no problems at all. Now I have tried it again and the same problem is happening. I want to see if I can figure it out this time. I am using the latest SATA and Chipset drivers for Win10 64 bit from Gigabyte's Website (I am using a Gigabyte Z77X-UD5H Rev. 1.1.

I am "testing" Win10 using a bootable clone of my main SSD (that still has 8.1 on it) and I upgraded it to 10 just to mess with so I can figure out this ridiculous problem.

My problem is that all of my internal SATA hard drives (with the exception of the system drive) cannot be assigned a drive letter in Disk Management. They show as healthy NTFS partitions but I get 1 of 2 different errors when I click on "Change Drive letters and Paths":

1. "Virtual Disk Manager: The System cannot find the file specified."

2 "Disk Management: The operation filed to complete because the Disk Management Console view is not up-to date. Refresh the view by using the refresh task. If the problem persists close the Disk Management console, then restart disk management or restart the computer" Hint: none of the recommended fixes in the error message change anything.

I HAVE been able to assign the partitions a letter and mount them using a third party disk manager called "MiniTool Partition Wizard". It lets me mount the partitions and it works! ..However, if I restart the computer, I am back to square one and have to manually assign each drive letter for each partition every time.

This is easily the worst experience I have ever had upgrading an OS, and one of the most mind boggling issues I have had with Windows in general. I really like Windows 10 and want to keep using it but half of my hard drives being un-mountable is a complete deal breaker right now.

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