First, Confirm What Disk Problem You Are Facing

Hard Drive Not Showing up

Internal & external hard drive not showing up means that you can't see the drive in ANY part of your computer. That's to say, the drive is not detected nor read by the operating system in the first place. So, it won't show up in Finder, Disk Utility, desktop, or even system information (for Mac), either in File Explorer, Disk Management, or in Device Manager (for Windows).

Try those quick solutions if disk not showing up >>

  • 1. Replug the external hard drive with another USB cable or port.
  • 2. Restart your computer and replug the drive.
  • 3. Try another Mac or PC to access this hard dirve.

Hard Drive Not Mounting

While internal & external hard drive not mounting means that the system has detected the hard drive but is unable to recognize it. The system can't access the hard drive via the mount point because of file system corruption, partition table lost, etc. From the computer side, it can recognize it's a storage device but can't access and mount it through the disk directory. From the user's view, the drive is listed somewhere on the computer, but the drive is unmounted (greyed out), or it's not recognized with the correct disk information.

Try those solutions if disk not mounting >>

  • 1. Reconnect the hard drive to your computer.
  • 2. Repair the hard drive with built-in disk repair tool.
  • 3. Recover data and reformat this hard drive.

Go Further by Confirming What Disk is Not Working

USB Drive Not Showing up

Normally, you plug a USB drive like a thumb drive into the USB port on the computer, the system detects that there is a USB storage device is trying to connect. Then, after reading and recognizing the manufacturer, device type, storage capacity, partition information, and file system, the USB drive will be displayed and accessed by you.

However, sometimes, the USB drive may not show up if the recognizing process is not going well. Or, it's detected but won't work normally. Then, you can replace the USB cable, USB adapter, USB port, or read the following posts for detailed solutions.

External SSD & Hard Drive Not Showing up

External HDDs or external SSDs are often externally used to free up computer's space or back files up. It's a little like the USB drive if it's accessed via a USB port. For hard drive using M.2, SATA, Type-C or other port, difference could be seen on disk drivers and data transfer rate manipulated by the system. Occasionally, the external hard drive is not recognized after plugin, but you'll find the fixes in these posts to repair the external HDD or SSD that is not showing up.

Internal HDD & SSD not mounting

The internal hard drive (often the startup disk) of your computer is important for booting up. Recognizing the internal hard drive or SSD involves BIOS or EFI checking the MBR and bootloader for startup information. Rarely can you take out and replug the internal disk when it's not recognized and not mounted. But if your computer won't turn on because the internal disk is not showing up, not mounting, or not working, read these posts and fix boot problems.

SD Card Not Showing up

micro SD cards and standard SD cards are portable hard drives for cameras, phones, and other digital devices. Card reader is important for reading and recognizing SD cards on the computer.

Storage Devices from Different Manufacturer Won't Work

Storage devices made by all manufacturers, such as WD, Seagate, Toshiba, Samsung, and SanDisk, could have troubles in working on computers. When hard drives are not showing up or recognized by your computer, you’ll know what to do with the following posts.

Can you recover data from hard drives that won't work?

When your hard drive is showing up but not gets recognized, you probably have tried all solutions while the drive just won't work. Then, you can recover data from the hard drive. With iBoysoft Data Recovery, you can get files retrieved from the hard drive as long as you got a Mac or Windows PC.

Hard Drive Data Recovery

1. Connect

2. Scan

3. Recovery

Quick Fixes to Hard Drive Not Showing up Issue