How to Fix Second Hard Drive Not Detected on Windows 10

May 13,2019 • Filed to: Answer Hard Drive Problems • Proven solutions

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Most users prefer using only one hard drive in their computer but some users require more space and thus, use two hard drives. Some users having two hard drives in their PC report that their computer is not detecting the second hard drive, after upgrading to Windows 10. It might happen because of some serious error or virus. However, formatting the drive is an option. Here is the vital information you need for formatting your drive.

What is Low-Level Disk Formatting?

Low-Level Disk Formatting is a method to mark out cylinders, tracks on an empty hard disk drive, and divide those tracks into different sectors. This procedure is usually known as “real” formatting because it makes a physical format that determines the location where the data is stored. If low-level formatting is done after the installation of data, all prevailing files get deleted and their recovery becomes almost impossible. This format is preferred most by people looking to evade privacy leak. However, low-level disk formatting greatly influences a hard drive, shortens its service time. Thus, this formatting is not recommended.

How to Perform Low-Level Format Hard Disk?

In order to perform the Low-Level format of a hard disk, there are several tools but not all of them are easy to use. However, you can anytime consider the efficient tool and genuine information mentioned here.

The MFM hard disk drives were the first ones to use this process and they used to bear a little resemblance to “low-level format” of today’s ATA (IDE) and SATA drives. The safest method to use SeaTools for DOS and initialize every bit of the data on a hard disk via zero fill option. This is an easy process where all zeros (0s) are written on the whole hard drive.

What will happen when you zero fill your hard drive?

Whether you are using an ATA (IDE) or SATA hard drive, these are the common benefits when you zero fill your hard drive:

The virus you wanted to remove without affecting boot sectors gets removed.

You can shift from one OS to another and erase everything from the hard drive.

You can erase all the confidential information because of privacy reasons.

The modern designs are made to retain empty sector for the purpose of reallocation. The common phenomenon with sectors is that it is hard to read them long before all hopes vanish to read them. In such a situation, the real data bytes available in a sector are conserved and transferred to a new spare at the time of sector reallocation. Similarly, during the zero fill erase process when a disk drive encounters an issue, the firmware of that drive withdraws the faulty sector and triggers a replacement prior to giving it an efficient write status.

How to zero fill a hard drive?

Since zero filling the hard drive destroys all the data available on it, make sure that you have completely backed up the drive before proceeding. Now, it’s time to follow the best method which is none other than Zero Fill erase option of SeaTools for DOS. There are certain system BIOS which include the option of low-level format but you should avoid them as they provide undesirable results.

There are three options to erase (Zero fill) a drive. When you download SeaTools for DOS from its official homepage, it is necessary to create a floppy diskette or bootable CD. Then, boot from the diskette or CD media to begin SeaTools for DOS. If you wish, you can test your hard drive before starting the zero fill procedure. Now, select one from these three Zero Fill erase options:

1. Erase Track Zero: In this option, only the first sixty-three sectors of the drive are erased and it is done in less than one second. This process erases the Partition Table and MBR (Master Boot Record). It will make your disk look empty and ready for the installation of a new Operating System.

2. Timed Erase: When you select this option, it will remove sectors for different time limits and this process usually takes up to five minutes. This process overwrites the sectors at the drive’s beginning where most static OS files reside.

3. Full Erase: This option erases the drive’s each data sector and the whole procedure takes several hours to finish. This option is advantageous because it successfully discovers and reallocates defective sectors as good spares. Full erase is most beneficial when it comes to low-level format.

What is High-Level Disk Formatting?

After completing the low-level formatting, users should initiate high-level formatting which enables saving the data on a partition. This procedure is about partition label, cluster size, writing a file system, and other things essential for a newly formatted volume or partition. It can also be said that high-level disk formatting clears hard disk’s data, initializes FAT, creates boot information, and labels bad sectors in case of partition’s existence. Usually, this process doesn’t cause any harm to your hard disk, so this kind of format is better in case you need to fix any logically damaged device or partition.

Conclusion

Low-Level Disk Formatting and High-Level Disk Formatting are the two options you can use to fix second hard drive not detected in Windows 10. Low-Level disk formatting is not recommended because it greatly influences the hard disk whereas High-Level disk formatting is recommended because it doesn’t harm a hard drive.

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