The external HDD won’t format problem is normally accompanied by the ‘Windows was unable to complete format’ error prompt. As a result of this, the format process is either halted or incomplete. There are several reasons why the external HDD won’t format problem may occur, this includes:

Malware or virus infection Missing or damaged DLL, SYS, or EXE files Incorrect drive format Damaged hard drive partition Incompatible or outdated hardware drivers or BIOS, etc.

How do I do if the external hard drive won’t format?

1. Scan the external HDD for malware

Malware and viruses can cause external HDD format issues. Therefore, you should scan the external hard drive for potential malware or viruses. In order to scan the external hard drive, you can use Windows’ built-in antivirus i.e. Windows Defender, or third-party antivirus programs. Here’s how to scan your external hard drive for viruses:

Plug the external hard drive into your system Go to Start > type ‘defender’ > double click Windows Defender to launch the tool In the left-hand pane, select the shield icon In the new window, click the Custom scan tick box. Now, click on the ‘Scan Now’ option.

Alternatively, you can use a third-party option. The best antivirus in 2021 for Windows PCs can scan your external hard drive and protect your whole PC against all threats without slowing down your device. Many dedicated antivirus software can remove threats while preserving your data. Once the scan and removal processes are done, you will be able to safely open your files. If you share your PC with multiple people, you can try reliable web filtering antivirus software. They can help you set browsing permissions so no other users can access harmful websites.

2. Use third-party tools

Saving the best for the last, there are several third-party tools out there which you can use to format your external HDD without stress. Therefore, you can try out any of them in order to resolve the external HDD won’t format problem. Dedicated partition format software are safe to use and do not require expert-level knowledge from users. Besides allowing you to format your partitions, they come with additional features that let you merge/split, resize or create new partitions. They include instructions along each step of the formatting process to ensure you know exactly what happens and you get the results you are looking for. SPONSORED

3. Run a SFC scan

Press Windows+Q and type cmd. From the search results, right-click Command Prompt and choose “Run as Administrator”. A new cmd window appears. Type sfc /scannow and hit the ‘Enter’ key. Wait until scan and repair process is finished.

Corrupt system files can also cause external HDD format problems. Therefore, you can use SFC (System File Checker) utility tool, which scans the system files to check for integrity file violations for systematic resolution.

4. Run CHKDSK

Go to Start > Type command prompt >Right-click on it, and select Run as administrator. Now, type CHKDSK C: /F. Hence, type CHKDSK C: /R without quotes in the Command Prompt and hit Enter key. After the CHKDSK process, restart your PC afterward.

CHKDSK can also be used to solve the external HDD won’t format problem. This is because CHKDSK cleans up disk-related errors from your drive. Note: Ensure you type in the external drive letter in the second step above. In some cases, the letter might be F, G, or any alphabet.

5. Install the latest updates

Go to Start>type update in the search box and then click on Windows Update to proceed. In the Windows Update window, check for updates and install the available updates. After the update is complete, restart your Windows PC.

Outdated BIOS and hardware drivers can cause external HDD won’t format problems. So, therefore, it is essential that you update your PC so as to resolve the issue. Besides, Windows updates can fix a plethora of Windows OS issues most especially any external HDD-related issue. Alternatively, you can use an automated solution to update your BIOS and hardware drivers. We highly recommend DriverFix, which is tested and approved by our team for updating hardware device drivers as well as any other system drivers. ⇒ Get DriverFix

6. Use Diskpart

Follow these steps to use Diskpart:

Plug in the external HDD into your system Go to Start > Type Command Prompt without quotes. Select Command Prompt (Admin) to open the Prompt’s window. In the Command prompt window, type ‘diskpart’, and then press the Enter key. This will open the Diskpart window. Now, type ‘list disk’ and hit the Enter key to open a list of drives. Type ‘select disk n’ in the Diskpart window, and press the Enter key. (Note: replace the n with the number of the external hard drive you intend to select. Type ‘clean’ without quotes, and hit the Enter key. Proceed by typing ‘create partition primary’ command in Diskpart, and hit the Enter key Finally, type format fs=ntfs quick and press Enter to format the external HDD with NTFS (New Technology File System).

Some Windows users reported that they fixed the external HDD won’t format problems simply by using Diskpart. On the other hand, Diskpart is a utility tool that can be used to format the external hard drive. However, before accessing Diskpart, you need to use the Command Prompt.

7. Run the Disk management tool

Plug in your external hard drive Go to Start > type ‘disk management‘ > select the Disk Management utility Right-click the drive that you want to format > select the Format option Follow the prompts to proceed with the format process > click OK on the warning window. After the format process is complete, you can use your drive.

Another workaround applicable in resolving the external HDD won’t format problem is by using disk management. This tool formats and restores the default drive settings; therefore, it enables you to format your external hard drive once and for all. In conclusion, we do hope that any of the solutions we mentioned above helped you to fix the external drive won’t format problem. However, if you still experience the problem, you can use an enclosure with a SATA cable for the external HDD before you proceed with the format process. If you have any questions or comments regarding any of the solutions we mentioned above or you experience technical issues with your Windows PC, feel free to comment below.

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