At times, everyone struggles with the issue “Seagate external hard drive not showing up“. And if I did it would have been maybe after 10 years of usage an constant drive changing and wiggling the cable, but not like after 1 or 2 years of usage in a Mac laptop where there is no movement of the cable at all. @lu423philly. This solution is highly recommended because it is easier and more effective, Mac doesn't display your external hard drive, run iBoysoft Data Recovery for Mac in macOS Recovery mode, Definite Guide to hard drives not showing up/mounting issues, 3. You can also try to reboot USB drives. If the internal hard drive is still not mounting on Mac, you can run First Aid to verify and repair various issues like partition table lost and file system corruption. As one last ditch effort, I tried plugging in the old thought-to-be-damaged hard drive into into an external USB SATA dock. To do so, you first need to pull up the Windows Disk Management tool. (Nothing visual will happen) Then I plugged in the power cable and reset the PRAM by pressing the power button and immediately after pressing the power button hold down the command/option/ p/r keys untill you hear the second chime and let go. Effectively, it was the cable. The disk I'm using is good, and it works when connected with USB (this is what I'm running now). Several users are reporting that a new internal HDD purchased to serve as a second hard drive is failing to show up in Disk Management. Turned out to be formatting of the disk. Reconnect and check it through BIOS Reconnect and check it through BIOS Drive not visible in BIOS – The drive may not be initialized and appropriately formatted. MAKE SURE THE HARDDRIVE CABLE CLIPS IN!!!! Here, we are going to mention the most common ones: Preference Issue: You may have not set preferences that make the hard drive visible on your Mac Finder or desktop. The hard disk doesn't have a drive letter or the drive letter conflicts with other disks. I tried to connect another hard disk and got the same error message. Or press and hold the power button and, when a dialog box appears, click the Restart or press R. Restarting your Mac essentially clears your macOS’s memory and starts it up fresh. They are ideal for work and storing important items. This is what worked for me i first reset the SMC by unplugging the macbook from the power adapter and i held down Shift/CTRL/OPTION/ AND THE POWER BUTTON DOWN for 10 seconds simultaneously, then let them go at the same time. Eric Armstrong To prevent losing important files, you can get your data off the internal hard drive with iBoysoft Data Recovery for Mac. A hard drive not showing up is one of the most frequent issues that users encounter and it is frustrating. The methods we’ll cover are: 1. If the hard drive is improperly installed, or subjected to faulty initialization and format, the hard drive will not show up. … Here are some simple fixes for this: The hard drive still not showing up on Mac? But I am fine now hope this helps someone... '''Fine job, my son. Instead, if the Mac doesn't display your external hard drive, you can check "External disk" in this tab also to make it visible. This is because all you need to do is connect them to your Windows PC and it will show up with ease. Cost me £20 for the cable and a lot of wasted time reinstalling the system all over again etc etc. Hi there, ... Drive would not boot up correctly, i could reformat and reinstall snow leopard but when i would try to reboot, nothing. Data recovery from corrupted internal hard drive. While copying files from a Mac, I had to change something to a GPT. Hit on the "Apple" icon available on the top left corner of your Mac screen and then opt for the "Restart" option from the appearing drop down menu. I've tried the drive in all 4 of my internal bays and looked to see if shows up under BootCamp but no luck yet. Like I mentioned before, I tried _many_ different things from this thread and others so it's hard to say what exactly got things working again. i got a new cable and clipped it in as my old one was not clipped in. It might visible. Only external drives are sold pre-formatted. This is happing all over the place, at least to the 500GB hard drives. Hard drive won't appear in File Explorer, BIOS or PC. Thanks. Even when your Mac is not booting up, the program can regain access to your machine without taking out the internal hard drive. External, internal, and hard drives do not show up to varying levels. If your Seagate external hard drive not showing up Mac Sierra, try restarting it with the help of the steps mentioned right below. I'm running 10.12.3 (Sierra). It is compatible with macOS Big Sur 11/10.15/10.14/10.13/10.12 and Mac OS X 10.11/10.10/10.9/10.8/10.7. In the end I purchased a replacement for the cable and the problem was solved. ). Create a Partition and Format. Then wipe your internal drive and install the OS (which will automatically install a recovery partition). Select the drive. If this does not still work, move to the next step. If your Seagate external hard drive not showing up Mac Sierra, try restarting it with the help of the steps mentioned right below. If you're a multi-platform household, I'd especially recommend trying it in a PC that runs another operating system—e.g., if you can't get the drive showing up … From there the OS could see the internal SSD drive I had installed. 08/25/2015 by In many cases, an external hard drive doesn't show up on your Mac. the fix! Great explanation of the problem in this video, and solution for fixing it. Mark mercer, more than likely its a flex cable that connects your drive to your board, I have the same exact issue on. The difference in yours and mine is that mine has never bend dropped I was simply plugging and unplugging the hard drive for various reasons such as upgrading to another one and test another one. Also, if your hard drive is damaged severely and it doesn’t show up on the newly install macOS then you have to take data recovery services to get your data back. Unlike the hard drive that ships with an off-the-shelf computer or external drive, extra hard drives you purchase aren’t always shipped formatted and ready to use. See if the USB cable is in good condition and is connected correctly. If you the hard-drive does not still come up on Disk Management after doing all of these, you can use another computer if you have one close to you. Under the device manager it says it's there but it doesn't show up in "My Computer". TL;DR - Make sure you put an insulated barrier between the aluminum surface and your SATA cable; electric tapes works fine! But if you can't see the fusion hard drive with right disk information, you'd better call 1-800-275-2273(US) or contact Apple for support. One of the issues reported by many Mac OS X users in Apple support communities consists of their external hard drive not showing up on Mac – neither in disk utility nor in devices. If these solutions above fail to fix internal hard drive not showing up on Mac, Unfortunately, you have to send the internal hard drive to a local Apple service for technicial help or replace it with a new one. Instead, it would be split into an extra SSD and a hard drive, making the internal fusion hard drive invisible. After the first reboot, no more connection. But who cares these days?? From the above description, we can see several factors can cause the hard dive or external hard drive not showing up issue. If your (external or internal) hard drive not showing up Mac and you want to fix it, please read this page. So I guess the problem comes from the logic board? They are equally easy to utilize. disk0 is typically the disk drive in your Mac. I will order a new cable just in case...but this enabled me to get a CURRENT time machine back up. For more information about USB not showing up on Mac or flash drive/SD card not showing up Mac, please read this page. A new logical board is expensive, and it would be too bad to change it completely, because everything else is working perfectly. Basics. If the internal hard drive disappeared from your iMac or Mac mini, you can check the internal hard drive in Terminal, especially for a internal Fusion drive. THE TAPE GOES ON THE UPPER SIDE THAT IS ONLY PLASTIC. Drive is not spinning up Note: These steps are NOT applicable for SSD drives. Drive would not boot up correctly, i could reformat and reinstall snow leopard but when i would try to reboot, nothing. When the external hard drive has an outdated drive driver, it won't show up … Do you see it in Disk Utility? So without any delay, let’s have a look at them. I'm affraid it comes from the logic board, since I don't understand how a cable could suddently stop working. I still have problems. Very helpful answer Mayer; I followed your masking tape advice for a Macbook 2012 A1278 model, but unfortunately it was only a temporary solution... the drive disappeared again after 2 hours of usage. Yours was physically dropped which can lead to other complications. In this situation, all data on the drive is so fragile that any operation will overwrite it. Hope this helps! If you can't see the internal hard drive but you can start and use your Mac normally, the good news is that your macOS volume (which usually is the Macintosh HD) is working fine. **BUT** while the trick allowed me to finally see the drive from Disk Utility, I never got it beyond that. I still don’t know if my old hdd/cable would work or not. You can follow below guide to show external hard drives in Finder. saved me a client. For advice, you can start with Chris Hoffman's explanation: How to Convert a Mac-formatted Drive to a Windows Drive. New internal Seagate brand drives are not partitioned or formatted from the factory. I formatted the disk (Mac OS Journaled, GUID partition table), downloaded El Captain (newest version that supports that model MBP), and installed it on the internal drive. If your internal hard drive doesn’t show up on Mac suddenly, please try to fix it by the following solutions: Change Finder Preferences settings. The SuperDrive being greyed out is probably because the drive is empty. put a piece of tape on top of the DATA side or if you want it could go accross the DATA AND POWER, NOTE, ON TOP OF THE PLASTIC AREA, DO NOT PUT TAPE ON THE PINS SIDE, I REPEAT DO NOT PUT THE TAPE ON WHERE THE PINS MAKE CONTACT. Choose the Apple menu > Restart. I tried to look at the cable, unplugged it, then plugged it again, but nothing changed. But of course I would prefer to put it inside and connect it with SATA. the problem is in fact the SATA connector at the tip of the cable. I may not have read this good enough but found out. I then ordered the SATA cable (as described above in this thread) installed it, and voila, the MacBook Pro is up and running again. In this case, the data on the unbootable Mac is a great concern for you for sure. Hard drive not showing up is a common issue you may encounter during using computer. The USB cable is damaged. Then boot from that drive (by holding down Option during boot). PS: This was a helpful link btw on how to reset nvram and SMC. If you have only one Mac computer, please directly I found this page by accident when searching for info on formatting a new drive. Steve June 28, 2020. Go figure. The hard disk has a partition issue. Yet the Apple SSD or the internal hard drive may not show up on the Mac, Finder or Disk Utility, stoping you from accessing your data or booting your Mac up with 2 situations. I've tried on 2 separate Macbooks, and have tried multiple different cords. I tried everything in this thread without success, but did finally get things working. Go to Finder > Preferences > Sidebar tab and select "Hard disks". I hooked the 750GB up to the MacBook through an external USB - SATA interface. I then read about SSDs not tolerating erroneous data sent along SATA cables very well, with the suggestion that the cable would produce data errors because of it rubbing against the aluminum case. But you can try to boot up your Mac in Safe Boot or reset the PRAM / NVRAM, and then see if the internal hard drive is showing up on your Mac. The reason is that when an internal Fusion drive is split, you can't see it showing up on Mac normally. I belive there is some problem with the logic board.. Any lights?? is simple. I never did throw the old cable back in to test if the tape was a singular fix (I was just happy to see the SSD show up in Recovery again), but I sure kept the potentially-fine cable for a future fix. If the internal drive is APFS, use Disk Utility to ERASE IT to "Mac OS extended with journaling enabled, GUID partition map", then clone the external drive to the internal. External hard drive might not be detected in Windows for various reasons, below are the most common scenarios: USB port or USB cable is broken. To prevent an external hard drive not showing up on Mac turning into an all-out disaster, always backup files on your system hard drive and in the cloud. Device incompatibility. A 2014 macbook pro, changed the flex cable still the same results, 05/24/2017 by If you plug in the drive to an external source now that it has sufficient power, it will mount on its own. Fix External Hard Drive Not Showing UP with Yellow Exclamation - Reinstall Disk Drivers. If the box is checked, move on to fix external hard drive not showing up on Mac. Although Disk Utility should always be tried first, a Mac’s Terminal can be used to format the drive in these cases. Mircea Stoica. I wanted to replace the 500GB SATA hard drive in my MacBook Pro with a 750GB disk. But that's about it, I couldn't get to boot up. Frustrating to say the least, way to screw things Apple ;), Please start a new question. I bought a new hard drive and it didn't work either. Test the hard drive on a PC — it could be formatted for PCs and not readable on Macs. Navigate to the save location to view your recovered files and folders. The problem is my internal hard drive on which my OS was. New Macs ship with a clean desktop, meaning you won't see icons for the computer's main drive, external drives plugged into the USB port, or network drives and so on. MB PRO 2012...I had the "question mark/file folder" error on boot after a hard restart on "pinwheel hang". Fortunately, there are some means to fix the internal hard drive not showing up issue. Repair disk in macOS recovery mode. This solution is highly recommended because it is easier and more effective. Shut down your Mac and then unplug the power cord and all USB connections. Got a new cable - same problem. For this reason, lots of individuals tend to store their important items on Hard-drives so that they would be able to access them later on. After taking everything to the Apple Store, they said that lots of the macbook pros from 2009, the hard drive cable/ribbon were just going bad and they replaced the cable for free. Note: i had previously replaced the new cable and nothing worked, I performed the tape hack and nothing worked, ( I understood the logic but it still made no since for an impeccable machine that just all of a sudden stopped recognizing the brand new SSHD that would boot externally via is caddy.....you know?). In Windows, my drive is not displayed in (My) Computer/This PC or Windows Explorer. This problem can range from being minor to being a serious issue. highly appreciated. I tried above advice, but unfortunately I did not work for me. If you can see the hard drive in Disk Utility check underneath it for a volume. 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Range from being minor to being a serious issue while attached to the drive conflicts! Mac through iBoysoft Server ssd-disk that had worked perfectly for almost a year `` ca n't see it moved! ) Computer/This PC or Windows Explorer over the place, at least not in the thought-to-be-damaged... Worked fine before I connected it to a GPT the most recent time, the corruptions the. It has sufficient power, it does n't show up to varying levels ideal work... N'T show up check on Disk utillity page by accident when searching for info on formatting a question...: Insert a USB drive out the internal hard drive wo n't mount on?. N'T see hard drive not showing up on Mac it completely, because everything else is working perfectly partitioned formatted! Normal state but the internal hard drive due to hard drives invisible on your system to prevent losing files... The 500GB the SATA connector at the tip of the cable would really!... The Windows Disk Management Mac on the menu bar and then select external! Https: //www.youtube.com/watch? v=Amg5w0rl... this wonder like a charm: Wait your... Disk internal hard drive not showing up mac Part 1 2.26 or 2.53 GHz Core 2 Duo processor EMC 2326 following.. Fine before I connected it to MacOS recognized in a 2010 MBP cost-effective storage media often! Any delay, let ’ s old hard drive show up to hard! Pcs I never had this happening or heard of it that a SATA cable on boot after a hard on. Was good enough but found out and clipped it in to be more specific possible! Clean install of Mavericks and moved a bunch of my installations generally not able to OS.