Q: Seagate external hard drive not showing up in my computer My 320 GB Seagate external hard drive is detected but not showing up in my computer. In cmd> diskpart> list volume it does not show up.

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In Device Manager it gets detected. In Disk Management it shows up as 'unallocated'.

If I initialize it, will I lose all data on the drive? It had 4 partitions. In My Computer also it does not show up. Even BIOS recognizes it. I don't want to lose any data on the drive. If I initialize it in device manager will I lose data?

Are you also troubled by hard drive not showing up? Have you got the effective workaround? If not, we give you 10 possible reasons as well as solutions to help you address this issue.

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A, but don’t worry, you can fix the problem and recover data from it in most cases. You might also be interested in 10 Cases: External Hard Drive not Showing up.

Mar 22, 2012  The best ways to format an external drive for Windows and Mac. Compare the different options for formatting an external hard drive to work with.

Tip: • The content below also applies to hard drive/USB/flash drive not showing up. • We strongly recommend you download and install - MiniTool Partition Wizard Free Edition, which will be of great help for Case 1 - Case 5. The hard drive is not initialized First of all, if it is a brand new hard drive, please make sure if this hard drive needs initializing. You may go to Windows Disk Management and have a check. If Disk Management and pops up a window asking you to initialize it, this new drive really needs initialization before you can use it. Then, you will have to create new partitions on it to make the hard drive appear on computer. To make things easy, use MiniTool Partition Wizard to help you.

Detailed steps are shown below: Step 1. In this main interface of this free partition manager, distinguish the new hard drive by viewing the hard drive information. Linux rtl8187 driver for mac. Since a new drive has no partition, please select the unallocated space and choose Create Partition from the action panel. In the pop-up window, specify the partition label, partition type, drive letter, file system, cluster size, and partition size. Then click OK. Click Apply on the top left corner to start.