High Sierra External Hard Drive Issues

I tried emailing the company and nobody responds. Part 1 How to Fix External Hard Drive not recognized on Windows. After I put computer to sleep, after waking up, I get the notification about disk not ejected properly. The internal SATA HDD on my MacPro5,1 running macOS high sierra also says “not supported”, and its a 4TB WD that I just bought in April 2018. And, on a final note, the best way to protect your data is to keep frequent backups. Dropbox, iCloud, and OneDrive are great for this – or create a hard copy on a flash drive or external hard drive. I'm using a new 2017 iMac with SSD now on APFS, and always have an external drive connected - standard format (MacOS extended journaled). (See video 1). 63 MB Drive Snapshot creates an exact Disk Image of your system into a file, including the operating system, installed programs, your data and all security attributes - while windows is running and you continue to work. But in the mean time to format My Passport for Mac try these suggestions. I guess I mess up something I'm thinking to follow this tutorial, but it's quite hard for my. Backup to Blu-ray optical disks failed in Acronis True Image 2019 if the backup is split within several disks. I got a problem with my Seagate external hard drive not showing up on my MacBook Pro. High Sierra Battery Life is Poor Another issue that seems to be common is portable Mac battery life being adversely affected after an upgrade to High Sierra. Scenario 2: The external hard drive doesn't show up in Disk Utility. How to Update Firmware of WD External Storage Drives Posted on January 25, 2015 Author Trisha Leave a comment I have been using Western Digital hard disks for many many years as they are both cost effective and reliable when it comes to your data storage needs. Also Read: Mac External Drive Recovery. Playing Game via External Hard Drive? ArmA 2, Bad Company 2 and basically any other high end game you can think of on max settings off my external HDD with no problems or slowdowns. In fact it doesn't respond to any commands, mount, eject, first aid won't run. For now don't use Finder. One of the new, handy features in macOS Sierra takes care of something you probably don’t think much about: cluttered files filling up your hard drive. How to Upgrade Your Computer on the Cheap written by Guest Author for BillCutterz Money Saving Blog. I heard Seagate hard drives are high failure rate than WD, but Seagate company must improve quality control to make hard drive life more far longer live for many years similar to WD. For studios and other workplaces that rely on the stability of their platform, High Sierra has been a serious issue. Creating a Hackintosh PC these days became an. 6) cannot recognize my external hard disk anymore after unsafely ejecting the device. Solution 2: Erase external hard drive under macOS 10. Left unconverted if High Sierra installed on external drive. Next, check disk errors with First Aid. external-hard-drive macos-highsierra. If you are trying to find effective solutions to fix macOS High Sierra update stuck or failure error, you are at the right place. 1 (46615), and a Windows 10 (1703) installation on a BootCamp partition. Solution 4: Seek help from a local data recovery service. Double-click to open Disk Utility. By converting your failing drive to external hard drive, you can recover inaccessible files from the target disk. because before high Sierra I could copy up to 4GB files to my HDD, just ever since the beta I haven't been able. Instant portable hard drive cable or help in recovery of files laptop/SSD hard drives. Seagate has evaluated current product lines to determine which ones will be supported in macOS 10. high Sierra problems with fat32 external HDD. So that you can see what it’s like to run a VM from an external drive, I made a short video. After I put computer to sleep, after waking up, I get the notification about disk not ejected properly. It’s nearly a year since Apple announced High Sierra and with it the advent of a new file system - APFS, and yet APFS still doesn’t work with Fusion Drives (which combine a hard drive with a. Apple has some issues still with the new APFS file system running on SATA based SSD systems. 13's Disk Utility 17. You can read more in this article. Why opt to clean install macOS High Sierra. VirtualBox: How to create a macOS High Sierra VM to run on a Mac host system. Read honest and unbiased product reviews from our users. Key Accountabilities and Objectives: Oversees the management and development of all team members within their communities. Looking to get the Portable Hard-drive thats right for me. If your Macintosh HD fails, it could cause a number of problems — one of which is data loss. Solution: If you see a white screen after the upgrade or if the macOS Sierra simply won't start, try one of the following. There’s a new file system for Macs with all-flash internal storage: Apple laptops and some desktop models. necessary for booting a computer up, into an USB flash drive and make it a workspace of Windows operating system. Sorry to hear you’re having a problem, Lee. I had posted a note earlier with little feedback so I thought I would post HOW TO INSTALL High Sierra on VMware Workstation 12. At its Worldwide Developer's Conference keynote event today in San Jose, CA, Apple revealed macOS High Sierra (version 10. If you have any kind of questions or have suggestions on how to install macOS High Sierra on VirtualBox, feel free to leave a comment down below this post and will answer your every question and get your suggestion for our future works. Like pictures but not a ton. LaCie Porsche Design Desktop Drive USB 3 - User Manual, Installation, Troubleshooting Tips, and Downloads. Seagate Backup Plus not mounting issue on Mac can be caused by file system problems. I tried to plug him into a Windows PC and everything was fine. high Sierra problems with fat32 external HDD. I'll look at those and make a recommendation. The new APFS brings notable enhancements to High Sierra and iOS, but on the Mac it appears that legacy hard drives are completely incompatible with the technology and at least at launch that Fusion drives may not be either. If your computer is starting to show its age, don’t throw it out—there are plenty of ways to. My MyBook stopped showing up after a High Sierra update. During setup I selected transfer from other mac. It doesn't matter if all applications like Quicktime or Final Cut have been forced closed. Theoria Apophasis 408,150 views. Fixing his problem was simple – but not obvious. What is HelloTech? HelloTech provides nationwide, on-demand, expert tech and IT. The new High Sierra system might still be problematic for me, as I absolutely need to be able to read/write my active files from two older Macs that are not upgradable to High Sierra. If your Mac won’t recognize external hard drive after High Sierra update, the possible reason is that your drivers for external hard drive are not up to date. Done! Note! Converting a hard drive from HFS+ to APFS using Disk Utility app is optional. macOS High Sierra more like 'Cry Sierra' for Mac-wielding beta testers The process will require an external hard drive and a Time Machine backup. Problems similar to yours is discussed here https://discussions. UK Data Recovery Professionals September 11, 2014 at 4:33 am. They're fine. 12 In this tutorial i'll show you how to Fix Hard Drive not Detected while installing macOS Sierra. After the release of the latest High Sierra update, quite a lot of criticism appeared on tech-related forums regarding the incompatibility of updated computers and external HDs. Reinstalling High Sierra, twice, has not solved this issue. Try to reset the SMC and the PRAM on your Mac. 2) Disk Imaging – This macOS High Sierra clone software creates a disk image or. The position listed below is not with Rapid Interviews but with ADP Our goal is to connect you with supportive resources in order to attain your dream career. Step 1: Connect a USB drive with at least 16 GB of storage space to your Windows PC and move all data from USB drive to a safe place as the drive will be erased while preparing macOS Mojave bootable USB. To get our hackintosh compatible with High Sierra 10. 13 High Sierra with AweEraser. Just replace each failed drive one at a time (assuming two fail) wait for the light to turn green, and replace the other failed drive. 0 - WDBBGB0040HBK-NESN at Amazon. Now the problem! When I switch to the d: directory I get a D:\ prompt. BTW, both drives work fine with my MacBook Pro. However, remember that using the external device as a bootable drive will slow down the functioning of the system. Partitioning, or splitting a single physical hard drive into multiple drives, has pros and cons. Two members of The Mac Observer have 2011 MacBook. It is to be noted that these issues should be resolved as soon as possible to make sure that the user doesn't face a prolonged issue: 1. Installing Beta 1 of High Sierra with APFS rendered my machine completely unbootable and I had to do a complete reinstall of the previous OS version (Low Sierra). Splendid! Once you have got that out of the way, you can now proceed to install macOS High Sierra in VirtualBox on Windows 10. NEW, 2 MONTH WARRANTY, 75 DAY. By installing it on an external drive, you will get the chance to test it and make sure everything works properly without updating your existing operating system. Venho comunicar meu sucesso instalando o High Sierra 10. Unless you destroy a drive and its data effectively, it can remain. However, remember that using the external device as a bootable drive will slow down the functioning of the system. Installing macOS Sierra on the external drive 1. Preparing the hard drive for the installation Before you install macOS Sierra on the hard drive, you will need to clean it. High Sierra is the problem! The chap in the store basically said stick with Sierra for a while and only go to High Sierra if you want. I built a new bootable USB drive using Uni-Beast 8. Despite our best efforts, the STEM gender gap isn’t closing at an acceptable rate. some users still don’t know how to format an external hard drive or USB flash drive in macOS 10. 13 High Sierra. Solution: If you see a white screen after the upgrade or if the macOS Sierra simply won't start, try one of the following. Can see it under External in Disk Utilities, but it is greyed out. With this in mind, macOS Sierra includes a new feature set aimed at optimizing hard drive space. External Hard Drive is Attacked by Virus One of the major problems that are faced Hard Disk Drive (HDD) is virus threat. LG Electronics Ultra Slim DVD Drive (GP65NB60) The Best Cheap External DVD Drive. Connect your Time Machine drive. MY PASSPORT ULTRA NOT DETECTED ON macOS SIERRA Hi! A couple weeks ago, my macbook (macOS Sierra, version 10. 44MB plastic floppy disk seems to turn up a lot, especially in the hands of someone who would be very unlikely to use one. External hard drives, thumb drives, USB drives, Flash memory cards, and devices like iPod are examples of storage devices that you can connect to your Mac using Thunderbolt, USB, or FireWire cables, or connect wirelessly using Bluetooth. Software not listed below is not supported on macOS 10. Also, for some reason my mac still thinks the drive is there, because it still appears in finder and I have to click "force eject" in order to remove the icon. I only realize it once I try to write a file and can't. If you’re looking for a high-quality external DVD drive, though we know this type of gear is somewhat obsolete in the “current year” with USB 3. Apple File System in macOS High Sierra won’t work with Fusion Drives At least not at launch. 13) is the fourteenth major release of macOS, Apple Inc. 0 - WDBU6Y0040BBK-WESN at Amazon. Preparing the hard drive for the installation Before you install macOS Sierra on the hard drive, you will need to clean it. Part 1 How to Fix External Hard Drive not recognized on Windows. less-expensive hard disk drive (HDD) storage. I have other devices like my iPhone and a USB3 hub w/ an SD card inserted that work just fine. This is a step-by-step walkthrough for dual booting a MacBook Pro (Mid-2015 aka MacBookPro11,5) that already has macOS High Sierra on it with Linux Mint. My iMAC late 2012 with Solid State Drive, with High Sierra system froze everytime I tried to use FINDER or SPOTLIGHT, especially it I accessed my two external hard drives (one Western Digital, one Seagate). And three auto back up to an online storage site which is well worth the hundred dollars or so should disaster strike and all is lost. Used CCC to clone the High Sierra hard disk drive volume back to the SSD (with recovery partition), and then booted into the SSD. How to Upgrade Your Computer on the Cheap written by Guest Author for BillCutterz Money Saving Blog. Disk Utility cannot find my internal drive after many days of trying and trying out different ktexts. Reinstalling High Sierra, twice, has not solved this issue. My external hard drive is a Seagate backup plus 1TB. Once or twice a day. As of iOS 13, iPads now natively support external storage, including flash drives, card readers, and external hard drives, which can be accessed using the Files app. What should I do? Microsoft NTFS for Mac by Tuxera bundled with Toshiba hard drives is a special version of the software, which can’t be updated in the same way as the retail version we sell directly on our website. BTW, both drives work fine with my MacBook Pro. macOS High Sierra is a pivotal release. Users note that Macs work fine if you do not have the external HDs connected to it. Directed by Raoul Walsh. original manual never claimed to support. Nothing on desktop or sidebar. BreBo thanks for your help. This is the 2nd hard drive I've tried to do this with after returning the first thinking something was wrong with the drive, but now clearly it is High Sierra. Older versions of Photoshop were not designed, nor extensively tested to run on macOS High Sierra. Important note: A clean install requires the Mac hard drive to be erased, meaning all data, files, photos, movies, apps - everything will be erased from the computer. 0 hub, and only one drive out of those six ejects improperly. So that you can see what it’s like to run a VM from an external drive, I made a short video. Read this article till the end to fix My Passport not opening on Mac or unable to copy or transfer date between them. Need For Cloning Mac Drive. in High Sierra. We work d. Since yesterday the 2 TB external hard drive isn’t mounting on my MacBook Pro Retina 2017. The external drives have been working fine as long as I don't put the iMac hard drive to sleep. Hold down the Option button when the startup chime sounds. I receive the following: "Disk Utility cannot be opened because of a problem. We offer a work environment that encourages our team to serve our customers, both internal and external. 1 SSD Series High-Speed transfers with up to 560MB/s for blazing fast user efficiency. Part 1: The Best Mac External Hard Drive Data Recovery Software You will need a professional disk recovery utility to help you recover deleted files from external hard drive on Mac. In a powerhouse battle of top-10 teams in the Sac-Joaquin Section rankings the No. The result turns out the same even after we created a USB macOS 10. 13 files and a file named ‘Install macOS 10. Here's our complete tutorial on how to clean install macOS High Sierra on your Mac from scratch in a step by step fashion. I have confirmed that this cable only works with 2. Can see it under External in Disk Utilities, but it is greyed out. 8 HIGH V2: 4. So far the only surefire solution appears to be removing all connected hard drives other than the primary hard drive which must be a SSD. app to transfer files larger than 2 GB to a FAT32 formatted volume/drive as the operation will fail. When I tried to convert to APFS, using Disk Utility on the Recovery partition, the conversion failed and the disk was trashed. How to backup a Mac to an external hard drive. After some Googling, I found the problem, the one you need to know about first. The Cheapskate Best VPN Services Best Web Hosting Best Password Managers Audio Deals Camera Deals Desktop Deals Hard Drive High Sierra's biggest changes aren't visible. Mac hard disk drive failed SMART status. Mobile SSD. Normally when you plug in an external hard drive to your Mac's USB port you will see it mount on the desktop. Problem: Mac hard drive S. 7L v6, 119,046 7-speed shiftable automatic All-wheel drive Cruise Control. The final road uphill was hard to walk, and the air was getting chillier and thinner. Known issues. My external hard drive is a Seagate backup plus 1TB. It failed the first time I tried and had to reformat the drive to Fat. With resolution issues, your picture may look blurry, or scaled incorrectly. However, if you want to convert NTFS to exFAT to make external hard drive compatible with Mac and PC, 3 steps are required. Software not listed below is not supported on macOS 10. When your computer hibernates, it takes a snapshot of your system files and drivers and saves that snapshot to your hard drive before shutting down. If your Mac won’t recognize external hard drive after High Sierra update, the possible reason is that your drivers for external hard drive are not up to date. Preparing the hard drive for the installation Before you install macOS Sierra on the hard drive, you will need to clean the external device. I have an iMac Late 2014 witch has fusion drive. The other link for fixing USB problems worked fine - I ran it and it came up with the message that it wasn't fixed as the USB drive couldn't be ejected. The issue was that only one of the users could access the drive at a time. 12 systems, format an external hard drive with at least 500gb with "Mac Os Extended Journaled". This is a bug in the current version of macOS 10. iso file from the Install macOS High Sierra. The blog presents tried and tested methodology to recover WD external hard drive data on macOS Mojave and High Sierra. You will learn how to format external hard drives on a Mac running OS High Sierra (10. Sorry to hear you’re having a problem, Lee. I tried it but no results, still not recognizing external medias. However, while rare, issues can and will happen; it's inevitable, where technology is concerned. Warning: Back up any files on a drive before you format it. They're fine. 2-ranked Oak Ridge High School Trojans fell to the seventh-ranked Rocklin Thunder 28-22 Friday night. Was the other machine a Mac with High Sierra. However, you can have much more serious issues by running plugs with high temp ranges. High Sierra 10. Storage—USB 3. I have a Seagate backup plus portable drive (2TB). iSkysoft Data Recovery for Mac is a wonderful tool that you can use to recover your lost data. However, using the drive as a drag and drop destination or with Time Machine can be an alternative. Select the hard drive in the left hand pane, as shown, and click the Partition tab. Need For Cloning Mac Drive. 13 High Sierra system. After I put computer to sleep, after waking up, I get the notification about disk not ejected properly. 4 High Sierra on your Mac computer, just follow to get problems fixed right now. I bought a Seagate Expansion Media 2 TB and formatted it with Mac OS Extended (Journaled). 63 MB Drive Snapshot creates an exact Disk Image of your system into a file, including the operating system, installed programs, your data and all security attributes - while windows is running and you continue to work. If your drives is HDDS or Fusion drives, it may can't implement APFS. Mainly documents in PDF format. Alternatively, you can use the Recovery Partition on your Mac. NOTE: This. The Mac is equipped with an HDD (hard disk drive) rather than an SSD (solid state drive). BreBo thanks for your help. There’s a new file system for Macs with all-flash internal storage: Apple laptops and some desktop models. Also, the drive automatically reconnects (I get a password prompt as the drive is encrypted). Your Hub Mac will now use the disk as a Time Machine backup volume. The iPhoto will be open with a reference to the library on your external hard drive until it is disconnected. I then proceeded under the assumption that the object that remained was what I was really looking for. Aside from intentionally hi-tech looking machinery, the production teams for shows tend to use old items as props. What is HelloTech? HelloTech provides nationwide, on-demand, expert tech and IT. 2 steps to help you securely and easily clone Mac SSD under macOS 10. 7 It is much easier than the complicated scripts that I have seen. The reason external debt is lethal is the fact that the debt cannot be inflated away. External hard drives, thumb drives, USB drives, Flash memory cards, and devices like iPod are examples of storage devices that you can connect to your Mac using Thunderbolt, USB, or FireWire cables, or connect wirelessly using Bluetooth. So you can try to fix the unmountable/corrupted Seagate Backup Plus external hard drive in Disk Utility by following the steps as below. I back some stuff to the iCloud but decided to get external hard drive too and was about to plump for a Western Digital 4TB My Book as it has USB2 and 3 compatibility. Like pictures but not a ton. In particular, if your Mac is equipped with a spinning hard disk drive, somehow its life tends to end earlier compared to an SSD (solid-state drive). We’re committed to hard work and fostering personal, as well as professional growth, and offer a great team environment. I am running VM Fusion 10. Connection or damage issue about External Hard Drive. I tried to plug him into a Windows PC and everything was fine. In the sidebar of Disk Utility, choose the hard drive partition where you want Sierra installed, and erase it by using the “Erase” tab. How to create a bootable macOS High Sierra USB drive; It’ll make your installation process a lot faster if you are recovering from a dead hard drive, since you won’t need to install macOS. 13 or later? This tip is for you There is. Buy online now at apple. Some of the mac users had reported a problem that their External Hard Drive is not showing up after upgrading to macOS High Sierra. Move to method 6 to make sure of that. "High Sierra's SKEL's flawed. AppleInsider explains how to fix most of the issues preventing. For whatever reasons, you want to move or copy your old backup data saved by iTunes to other location or External drive. After fighting this problem for months, I finally decided to reformat all drives NTFS and switch the array to my windows machine. It is the successor to macOS Sierra and it was announced at the WWDC 2017 on June 5, 2017 before being released on September 25, 2017; its successor macOS Mojave was released on September 24, 2018. Software not listed below is not supported on macOS 10. 13), you are offered by default to save the Documents and Desktop folders in the iCloud. The hard disk is a “WD My Passport Ultra” in 1 TB. Kevin Townsend is a Senior Contributor at SecurityWeek. I have exactly the same problem with my Hitachi life studio 1TB USB external hard drive. Here are the best Mac hard drives and external storage options in 2019. ) Regarding problems with the two drives from WD mentioned in this thread, simply enter the drive name plus “Mac problems” and you’ll find pages of issues covering the past two years. Part 1 How to Fix External Hard Drive not recognized on Windows. Find helpful customer reviews and review ratings for WD 1TB Black My Passport Portable External Hard Drive - USB 3. In a powerhouse battle of top-10 teams in the Sac-Joaquin Section rankings the No. Otherwise, you may need to replace it right away. Got help from Apple Support re this issue - twice. BTW, both drives work fine with my MacBook Pro. However, due to some compatibility or hardware-software problems, external hard drive is not recognized on windows and Mac. Let us know if we missed any; we always love adding more fixes to these articles. Everything is grayed out in disk utility and I can't do anything. Disconnect all external devices except the keyboard, mouse, display, and speakers. Installation of a Mac OS X or macOS operating system (Lion, Mountain Lion, Yosemite, El Capitan, macOS Sierra, macOS High Sierra) on an external hard drive is an excellent option the test an operating system. 13 using Disk U. The following day, I went to buy a new charger, I took it to the repair guy to clean the fans in case that was the problem. Aside from intentionally hi-tech looking machinery, the production teams for shows tend to use old items as props. A user's music and video collection can be one of the largest consumers of hard drive space on a Mac, and is typically overlooked in favor of other items when it comes time to free up drive space. OS X offers a very nice graphical user interface to verify and repair your hard drive, located in the Utilities folder. How to create a partition on your Mac to test High Sierra, How to create a partition on your Mac. External hard drive connected to a USB, FireWire, or Thunderbolt port on your Mac ; Time Capsule or macOS Server on your network ; External hard drive connected to the USB port of an AirPort Extreme Base Station (802. Hard Drives Mobile Drive Compatibility with macOS 10. I'm having this same issue too. It used to be that many Mac users, who needed to check their work with both the last and current releases of macOS, ran dual-boot systems. The position listed below is not with Rapid Interviews but with GPC Our goal is to connect you with supportive resources in order to attain your dream career. 5" hard drive (not native USB-C - connected via an adapter). Everything is grayed out in disk utility and I can't do anything. News More Than 100 Law Firms Have Reported Data Breaches. I have yet to move from Sierra to High Sierra OS, thankfully, as seems to be some problems. Apple’s High Sierra Update for macOS is Already Available Jaycee De Guzman - MANHATTAN, NEW YORK CITY –Apple recently released their biggest Apple desktop operating system (OS), the macOS High Sierra. One issue I came across last week was an external hard drive not showing up on a Mac, even when all evidence said that it should have. I have an Apple MacBook Air 13. I encountered a problem after upgrading to High Sierra. We will have to wait for Apple to acknowledge and address the problem. High Sierra has its share of fixes, but it also has some new problems, as do all software releases. Part 1: The Best Mac External Hard Drive Data Recovery Software You will need a professional disk recovery utility to help you recover deleted files from external hard drive on Mac. 1 (46615), and a Windows 10 (1703) installation on a BootCamp partition. If your Mac starts and makes it to the login screen or the desktop, then verify that your startup drive is working correctly. However, you can avoid data loss after any unexpected data crisis using a professional Mac data recovery software. Macbook is connected to external power. A user's music and video collection can be one of the largest consumers of hard drive space on a Mac, and is typically overlooked in favor of other items when it comes time to free up drive space. High Sierra installer won’t download. 13), you are offered by default to save the Documents and Desktop folders in the iCloud. (also known as Self-Monitoring, Analysis and Reporting Technology) is a monitoring system for internal disks and checks for issues. Try third party drovers, TEXERA NTFS and PARADON NTFS to connect the external disks to Mac system. macOS High Sierra brings many improvements for Mac users. The position listed below is not with Rapid Interviews but with VF Corporation Our goal is to connect you with supportive resources in order to attain your dream career. The Target Mac should now appear as an external drive to the. I have two users who both use Mac workstations. My original VMware hard disk file that was not booting was still connect, and I transferred all my settings to the new Mac OS High Sierra file that is on the page here. The window that opens, search for your external hard drive, select the iPhoto that you copied and click on ‘Choose’. It's more reliable than wirelessly connecting to a Time Capsule or NAS and more secure than using a cloud service. But any drive that depended on the adapter did not. Installation and booting macOS High Sierra from an external APFS formatted drive is working now. Check if the external hard drive is properly plugged in and powered on if necessary. However, you can have much more serious issues by running plugs with high temp ranges. When installing the first High Sierra pubic beta to an external USB hard drive, I was not given the option of APFS. News More Than 100 Law Firms Have Reported Data Breaches. Just replace each failed drive one at a time (assuming two fail) wait for the light to turn green, and replace the other failed drive. Thank you, Nemanja. Looking to get the Portable Hard-drive thats right for me. If you require encryption, consider backing up to a separate hard drive. Apple's new macOS 10. It can help you erase external hard drive under macOS 10. macOS High Sierra has recently gone public. The My Book desktop hard drive also works great with Acronis® True Image™ WD Edition software to schedule full system backups. Here are some steps you should take before upgrading. Apple has worked hard to make the transition seamless but there are a few things you can do prior to upgrading. I have an external disk I use for Time Machine backups connected to a USB3 port that worked in High Sierra, but now does not on Mojave. I started using Sierra in May 2017. Tried to plug-in in different USB ports and checked Disk utility that makes the drive approved blurred. External hard drive connected to a USB, FireWire, or Thunderbolt port on your Mac ; Time Capsule or macOS Server on your network ; External hard drive connected to the USB port of an AirPort Extreme Base Station (802. At a time of climate crisis, F1 is a very expensive luxury. I installed High Sierra and now my iMac (27" 2011) can not see the external USB TimeMachine drive. I am running Sierra on my 2015 iMac 27" Retina Display. Since the connection between your Mac and external hard drives relies on cables, loose connections could be the cause that your external hard drive is not recognized by your Mac computer. iso file to the virtual cd drive and it boots okay but Im having trouble getting the installer/dis. One issue I came across last week was an external hard drive not showing up on a Mac, even when all evidence said that it should have. There isn't much to be excited about High Sierra mainly due to the fact that most of the improvements were done under the hood. Complete the process with these easy steps.