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External Hard Drive Not Showing Up in Windows or OS X?

Expand out Portable Devices , right-click on any items that are grayed out and choose Uninstall. Restart your computer and try to connect the hard drive again. In addition to Portable Devices, you can expand out Disk Drives and try to uninstall the device from there if it is not showing up properly in Windows Explorer.

If you are connecting to a USB hub, disconnect that and try to connect the drive directly to the computer. The only way you can really tell if the problem is with the computer or the hard drive at this point is to connect the drive to another computer. If it appears that there is a problem with the drive itself, you can try to download the diagnostic tools from the drive manufacturer.

1. Connect Your Drive and Check /Volumes/

Just about all the major brands like Seagate, Western Digital, Toshiba, etc. You can also read my previous post on checking your hard drive for errors for more information and more tools to test hard drives.

If the drive has become corrupt or has bad sectors, these tools can fix it. If you have a USB 3.

Assign Drive Letter

Firstly, make sure you are using an appropriate cable. So try out several cables before you give up. Secondly, you might need to update the driver in Windows. Make sure the hard drive has the correct external power adapter and that the light on the front of the drive is turning on and is not orange or red. Also, try using different cables as some are able to carry more power than others.

Hopefully, this article will help you get your external hard drive recognized by Windows or Mac. Founder of Online Tech Tips and managing editor. He began blogging in and quit his job in to blog full-time. He has over 15 years of industry experience in IT and holds several technical certifications.

Written by: Aseem Kishore , Twitter: February 1st, in: If you have outstanding updates to apply, try applying them and trying again. In particular, some firmware updates relate specifically to peripherals and devices that connect via USB. Launch the Mac App Store app and head to the Updates tab. Read More before installing major updates or upgrading macOS to the next major version.

Even disk first aid or whatever the hell they call it now on the external drives?

How to Get Your Mac to Recognize a Drive |

Read More for details relevant to your machine. It's called Apple Service Diagnostic, and we'll show you how to get it and use it for best results. Read More. If you have a problem with a particular USB port, you might want to invest in a hub to make the most of your remaining connectivity. It might also be time to start thinking about upgrading to another machine, since this could be indicative of bigger problems.

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  • External Drive Troubleshooting – Mac.

Not everyone safely ejects their drives, especially small USB flash drives used primarily for data transfer. Larger external hard drives that store a lot of precious data are more worthy of your patience, however. You can eject a drive in several ways:. Here are all your options for adding more storage space to your MacBook. Explore more about: Your email address will not be published.

Cant Transfer File from Mac to External Hard drive? Drive Formatted in NTFS?

For the majority of the time my USB will not show up in Finder. I am using a 27 inch 5K Mac. Yes, after rebooting it will be there, but why should I have to conduct a complete reboot and wait for ages just to see my USB. As I also need to use a particular Windows piece of software, I am also running Parallels and Windows 10 on the same Mac. Guess what? I am sick of reading shallow advice about what to do to make the USB appear on the Mac when this is entirely a Mac problem which should be fixed by them before releasing almost daily software updates that do absolutely nothing.

Love the advice to always amke sure to use Time Machine to back up the Mac.

Computer Won't Boot

HD is only blinking after connected to the laptop, Mac can't detect it. Tried change cables, adapters, run Disk Utility, and connected to other laptops Any suggestions on what I can try next? Not so evident when there is a storm or blackout Top Deals. Email Facebook Whatsapp Pinterest Twitter. Enjoyed this article? Stay informed by joining our newsletter! Enter your Email.