Fixes for Second Hard Drive Not Showing Up in Windows 10

Jean updated on Sep 10, 2020 to Partition Manager | How-to Articles

Secondary hard drives are an excellent way for you to extend the storage capacity of your PC without having to replace your primary hard drive. When a computer doesn't recognize a secondary hard drive or the second hard drive is not showing up correctly, you must identify the root of the problem and find corresponding solutions.

How to Fix Second Hard Drive Not Showing Up in Windows 10/8/7

Now, here are the four types of second hard drive not showing up issues in Windows 10, 8.1, 8, and 7. Examine your case and pick up one solution that works best for you:

Workable Solutions Step-by-step Troubleshooting
Second HDD Not in This PC Launch EaseUS Partition Master. On the main window, right-click on the unallocated space...Full steps
HDD Not in Disk Management Select the "Start" button, type Device Manager, and select it from the list of results...Full steps
Second HDD Not in Device Manager Navigate to "Control Panel" and click on "Troubleshooting". On the right pane, find "Hardware and Sound"...Full steps
Second HDD Not in BIOS Restart PC. Hold and press "F2" to enter BIOS environment. In the Setup section...Full steps

If you run into one of these troubles, you are in the right place! On this page. we present troubleshooting steps in detail to help address each issue perfectly, by which you'll be able to make use of your second or even third HDD or SSD without the recognition problem.

Fix Second Hard Drive Not Showing Up in This PC or My Computer

According to the received feedback, over half of users didn't see their external hard drive appearing in the place where it should be, i.e This PC in Windows 10 and 8, My Computer in Windows 7. You can check it in the Disk Management, which is probably shown as a disk 1 or disk 2 with "Unallocated". Or do it in an easier way.

If your second hard drive is a brand new one, you need to initial it. An uninitialized hard drive will be recognized as an unallocated space, and you cannot see it in This PC. So, if the second hard drive is a new one, initialize the HDD or SSD.

Download a third-party free partition manager called EaseUS Partition Master. It can quickly troubleshoot the problem by assigning a drive letter.

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 Windows 10 is supported


Step 1: Launch EaseUS Partition Master

On the main window, right-click on the unallocated space on your hard drive or external storage device and select "Create".

Create partition on unallocated space

Step 2: Adjust the new partition size, file system, label, etc.

Set the size, partition label, drive letter, file system, etc. for the new partition and click "OK" to continue.

Set up new partition

Step 3: Confirm to create a new partition

Click on the "Execute Operation" button and confirm to create a new partition by clicking "Apply".

Confirm and keep all changes

Close the program when the job is done. Now return to This PC or My Computer, your hard drive should be detected by Windows and correctly displayed with the drive letter you've just created!

Fix Second Hard Drive Not Showing Up in Disk Management

You should move further to the Device Manager and it's time to update hard drive drivers. 

Step 1. Select the "Start" button, type Device Manager, and select it from the list of results.

Step 2. Expand one of the categories to find the name of your device, then right-click (or tap and hold) it, and select "Update Driver". 

Step 3. Select "Search automatically for updated driver software".

  • If Windows doesn't find a new driver, you can try to look for one on the device manufacturer's website and follow their instructions.
  • Otherwise, try reinstalling the driver by doing like this: Open "Device Manager", right-click the name of the device, and select "Uninstall". Restart your PC and Windows will attempt to reinstall the driver.

update second ddrive driver to fix the not showing up problem

If you cannot find a wanted device driver, you can also download the correct driver on the official website of the corresponding hard disk manufacturer. Then, try again to see whether the hard drive is showing up or not after installing the driver.

How to Fix the Second HDD not Showing Up in Device Manager

That's a little troublesome when your hard drive is not even detected in Windows Device Manager, and you should pray a little while because your drive is probably corrupted and develops bad sectors. In this case, you can either use the aforementioned EaseUS Partition Master to repair hard disk bad sectors or run Windows Hardware and Devices Troubleshooter.

Download Now

 Windows 10 is supported

Step 1: Navigate to "Control Panel" and click on "Troubleshooting".

Step 2: On the right pane, find "Hardware and Sound", under which select "Configure a device".

Step 3: Run as administrator is asked. Click "Next" to run Troubleshooter. 

Step 4: If any issues are found you will be prompted to confirm "Apply this fix". This may occur numerous times depending on the errors found.

How to Fix Second Hard Drive Not Showing Up in BIOS

Have you prepared for the worst situation that this second hard drive shows up nowhere, including all the paths you can think of and even in BIOS? This problem should be tricky. You will need to ask a professional to help. As far as we concerned, your hard drive not showing up in BIOS is mainly caused because the drive is not enabled in the BIOS or it's just a faulty hard drive.

To enable hard drive in BIOS and make the second hard drive show up in Windows 10 correctly, do as follows.

Step 1. Restart PC. Hold and press "F2" to enter BIOS environment.

Step 2. In the Setup section, check whether the second hard drive is turned off in system setup. If yes, turn it on.

Step 3. Reboot PC again. See if the second hard drive showing up normal this time.

To make sure the connection is normal:

  • Check whether the hard disk is connected correctly.
  • Check whether the hard disk indicator is flashing normally.

Second Hard Drive Not Showing Up FAQs

Issues with unrecognized secondary hard drives are very common, and that's what we have been covering in the article above. If you still have a second drive not showing up problems, you can read the following frequently asked questions.

How do I get my computer to recognize a second hard drive?

To make a second hard drive recognized:

  • Initialize the second hard drive
  • Create a partition on the second HDD
  • Update second hard drive drivers
  • Use Windows troubleshooter.
  • Turn on the second drive in BIOS
  • Check the connections

Why is my second hard drive not showing?

Many reasons can lead to a missing hard drive:

  • Uninitialized drive
  • unallocated space
  • Out-of-date device driver
  • Connection problems and more

What do I do if my hard drive is not detected?

Steps on how to repair hard disk not detected:

1. Plug the hard drive into another USB port

2. Plug the hard drive into another computer

3. Uninstall the hard drive driver and then reassign the drive letter to the hard drive

Why should I use a secondary hard drive?

The main advantage of secondary hard drives is that while one that is faster, such as an SSD, can be used for computing purposes - games, resource-intensive apps, etc. the slow ones can be used purely for storing personal data.


So many effective methods can help you with the second hard drive not showing up problems. It is not challenging to deal with the second hard drive not detected in Windows 10/8/8.1/7 issue. More importantly, EaseUS Partition Master can also help solve other similar disk issues like BIOS detect the hard drive but Windows does not, USB flash drive showing 0 bytes or no media, HDD formatting takes forever, etc.

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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

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Video Tutorial

How to Partititon a Hard Drive on Windows 10/8/7