Step 1 Once you have your Seagate Disk Drive connected to your PC, got the Search Panel on the home screen and type in “Device Manager”. Click “Enter” on the Device Manager results to enter the Device Manager window. Step 2 On the Device Manager window, you will see a “View” option in the top menu bar. Next, open File Explorer, navigate to This PC in the left-hand column and click on the shortcut. In the Devices and Drives section of the main window, you should see your external hard drive. Right-click on the drive's icon to bring up the context menu, then select Format from the list. Make sure the Quick Format box is ticked and leave all the You should have one plug going from the HDD to the mobo, and then a second plug going from the HDD to the PSU. And are you sure it's not being recognized at all? You need to format drives before you use them. You won't see them in windows if they're unformatted. You need to go into the disk manager and format first. VenomLeTitan • 4 yr. ago. To do this, right-click on the desired drive and select "Update drivers". After this procedure, you must restart the computer to fully install the innovations. Method 3. Troubleshooting the issue. This tool will help you perfectly fix the “Windows 10 hard drive disappeared” effortlessly. Click on Start and type "troubleshooting" in the Reformatting the HDD will not fix the problem. Make sure you do not attempt to format the HDD until after data has been completely recovered. A format, even if partially successful, almost always guarantees a complete loss of your data. My unformatted HDD is 4 GB. Actually, it’s your internal flash MU that has gone bad. Connect the not working Hitachi external hard disk to PC. Step 2. Type device manager in the search box and click "Device Manager" on the menu. Step 3. Expand disk drivers and right-click on your device, select "Properties". Step 4. Under the "Driver" tab, you can first try with "Update Driver" and click "OK". Step 5. The startup menu will appear with an option to access the Boot Menu. Use the Boot Menu to tell the computer where to start from - either the USB or installation disk you created and inserted early on. 3. Follow the prompts to partition, format, and install Windows onto your new hard drive. I just bought a 3TB external hard drive for my Xbox One since I was running out of space. I have tried everything I could think of (formatting, re-partitioning, different USB ports, etc.) to get the Xbox to format the hard drive for game use. The hard drive will show up on the console for media purposes only. When I go to the storage management QV5J.