How can solve external hard disk not detected?

External Drive Not Showing Up or Detected? 6 Fixes to Try

1. Make Sure Your External Drive Turns On. This is a preliminary step, but still one worth checking.
2. Check the Drive in Disk Management.
3. Try Another USB Port and Computer.
4. Troubleshoot Device Driver Issues.
5. Create a New Drive Volume.
6. Format the External Drive.

Why suddenly hard disk is not detected?

Click to expand. The BIOS will not detect a hard disk if the data cable is damaged or the connection is incorrect. Serial ATA cables, in particular, can sometimes fall out of their connection. Be sure to check your SATA cables are tightly connected to the SATA port connection.

How do I mount an external hard drive in Linux?

How to mount usb drive in a linux system

1. Step 1: Plug-in USB drive to your PC.
2. Step 2 – Detecting USB Drive. After you plug in your USB device to your Linux system USB port, It will add new block device into /dev/ directory.
3. Step 3 – Creating Mount Point.
4. Step 4 – Delete a Directory in USB.
5. Step 5 – Formatting the USB.

How do I add a hard drive to CentOS 7?

Configure new hard disk in CentOS

1. Format the disk partition.
2. List the block device again to display the new disk partition /dev/sdb1.
3. Initialize the physical volume.
4. Create the volume group.
5. Create the logical volume for the volume group.
6. Construct an XFS filesystem on the new logical volume.

Can hear external hard drive spinning but not detected?

The cable could be damaged, or you’re probably trying to use the wrong cable. If your computer isn’t recognizing the storage, make sure to use a good data cable. If the USB and power cables are working, you’ll hear the hard drive spinning, and you’ll notice a light indicator.

How do I find my external hard drive on Linux?

How to Mount a USB Hard Drive in Linux

1. Log in to your operating system and open a terminal shell from the desktop “Terminal” shortcut.
2. Type “fdisk -l” to see a list of drives on your computer and to get the name of the USB hard drive (this name is usually “/dev/sdb1” or similar).

How do I install a new hard drive in CentOS?

Mount a new drive in CentOS

1. It is needed to verify whether the new drive is visible in the system.
2. It is needed to create the file system ext4(in shortly say as formatting drive).
3. Now create a new directory in the root(or in desired path) to mount a formatted drive using mkdir command.

Where is my newly installed disk Linux?

Once the storage team has mapped the new LUN’s with the Linux host, new LUN can be discovered by scanning the storage LUN ID at the host end. Scanning can be performed in two ways. Scan each scsi host device using /sys class file. Run the “rescan-scsi-bus.sh” script to detect new disks.

How do I check hard drive for errors in Linux?

You can check the hard drive for errors using the smartctl command, which is control and monitor utility for SMART disks under Linux / UNIX like operating systems. smartctl controls the Self-Monitoring, Analysis and Reporting Technology (SMART) system built into many ATA-3 and later ATA, IDE and SCSI-3 hard drives.