When trying to backup your files to another hard drive in case the originals are lost, you may find out that File History doesn’t recognize this drive. Sometimes, the error message will be like the system cannot find the file specified. The File History still fails when you try reconnect it or choose another disk.
The possible reason behind File History drive disconnected is that the Startup Type cannot be triggered automatically. You may have use this drive to save copies of your files, and then you have made some changes to the drive. Therefore, File History cannot recognize this drive.
To fix this problem, you can try one or more of the following.
Manually start the service
1. Open Services. To open Services, you can type “services” in the Run box or search with Cortana in Windows 10
2. Locate the File History Service. Start the service and set the Start Type to Automatic (Delayed Start.
How to reconnect file history drive?
1. Show hidden files and folders in File Explorer Options, and also uncheck the option Hide protected operating system files (Recommended).
2. Delete the folder in:C:\Users\[username]\AppData\Local\Microsoft\Windows\FileHistory\Configuration\Configuration.
3. Go to File History and connect the drive again.
Use File History alternative
If the File History is not working after using the two methods above, you can use free third party backup software AOMEI Backupper Standard to backup your files and folders. Compared with File History, AOMEI Backupper gives you more options and runs faster.
To backup files and folders with AOMEI Backupper:
1. Free download, install and launch this freeware.
2. Under “Backup” tab, choose “File Backup”.
3. Click “Add File” or "Add Folder" to specify files or folders into the backup, In the select folder window, you can also set a filter to exclude files form the backup (premium feature).
4. Specify a location path to receive the file image backup. It pops out a File Explorer interface for you to select any folder as the destination location.
5. Lastly, click “Schedule” to set a scheduled backup if needed. For more options, click “Options” button. Then click “Start Backup” to start the backup.
After the backup completes, you can restore partial files or the entire content of the backup as any time. After fixing the problem that file history doesn't recognize this drive, you may also be interested in File Sync, which is also one of the feature of AOMEI Backupper. Besides that, AOMEI Backupper also allows you to create system image backup, make bootable media, and hard drive clone to SSD.