This article has the most comprehensive solutions to Seagate internal and external hard drive not working problems on both Windows and Mac. It was good enough to show the drive from Disk Utility (starting from the install DVD). External, internal, and hard drives do not show up to varying levels. When I try to access it from the external bootable drive using Disk Utility I can't see it either. Most affected users report that even though the new hardware is showing in their BIOS settings, it doesn’t appear inside Disk Management. Try the drive in another Mac — if it works there, the problem is with the USB ports on your Mac. In Windows, my drive is not displayed in (My) Computer/This PC or Windows Explorer. Hard drive not showing up is a common issue you may encounter during using computer. Your problem and/or solution may be different. It is a Seagate FreeAgent GoFlex. Hard drive won't appear in File Explorer, BIOS or PC. This problem persisted even after the update of OSX Yosemite, Sierra or High Sierra. Erase the internal hard drive and reinstall macOS. While copying files from a Mac, I had to change something to a GPT. 4. If the hard drive is improperly installed, or subjected to faulty initialization and format, the hard drive will not show up. @mumrah. At least it fixes the problem when the HDD suddenly 'disappears' thus failing to boot. !1 ohhh raaaaa. THE TAPE GOES ON THE UPPER SIDE THAT IS ONLY PLASTIC. If you choose any other drive, the partition option will become unclickable. Eric Armstrong Internal hard drive not showing up in Disk Management – This situation can come up if the drive is not connected correctly. I haven't used it in a few months, but now when I plug it in, it doesn't show up anywhere. Have reformatted the disk as MacOS extended journaled, 1 partition - disk now recognised. I tried with an older rotating hard drive, connected it using the flex cable, and it did boot and worked as it should. the fix! TL;DR - Make sure you put an insulated barrier between the aluminum surface and your SATA cable; electric tapes works fine! The disk I'm using is good, and it works when connected with USB (this is what I'm running now). If it works, you should see a FireWire icon bopping around on the target machine's display. I had these issues on two occasions for 13” Macbook Pros from 2012. My sons macbook suddenly didn't want to boot from a ssd-disk that had worked perfectly for almost a year. Fix (Old/New) Hard Drive Not Showing Up in Windows 10. Recover data from Mac internal hard drive. The hard drive is not recognized at boot up, so I get the famous question mark. I need you to be more specific if possible. Luis Ramirez 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. Fix The Seagate Hard Drive with Disk Utility 4. If the internal hard drive is nowhere to be found, the problem may be due to a … If there is a bootable partition, it will be listed (other than the recovery partition). From the above description, we can see several factors can cause the hard dive or external hard drive not showing up issue. Repair external hard drive by using Disk Utility A window that has partition information will pop up. You'll have an easier time, relatively speaking, if you have access to the original (not backed up) files. New internal Seagate brand drives are not partitioned or formatted from the factory. To prevent further data loss, especially when you have no backup of the data, it's better to immediately recover lost data from the internal hard drive with reliable Mac data recovery software like iBoysoft Data Recovery for Mac. Anyway, thanks for such a great thread. It does help. If the box is checked, you need to get other solutions to fix external hard drive not showing up on Mac. Oftentimes, the Mac won’t recognize the external hard drive due to hard drive failure and incorrect connections. 3. 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 … I tried Jose's trick. At this point I assumed I had a broken hard drive cable. When your Mac won't boot as there is no statup disk, you can try to check if you can find the internal hard drive in macOS Recovery Mode by the following steps. Now that you know all the potential causes of “External Drive Not Showing Up On Mac,” scroll down to the next section, where we discuss all the troubleshooting tips to fix the issue. If this does not still work, move to the next step. Check USB connectivity 2. If your additional drive is new or completely erased, then to be visible in (My) Computer / This PC, it must be partitioned. Step 2: Install and launch iBoysoft Data Recovery for Mac on the healthy Mac computer. El Cap "can't see" APFS drives at all -- at least not in the finder. Here's the cable: MacBook Pro 13" Unibody (Mid 2009-Mid 2010) Hard Drive Cable, Here's the installation instructions: MacBook Pro 13" Unibody Mid 2009 Hard Drive Cable Replacement. Go figure. Now you can recover lost data from the corrupted internal hard drive. I tried everything in this thread without success, but did finally get things working. HDD back on. 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. 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. Solution 4. 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. See if the USB cable is in good condition and is connected correctly. So, I ordered a new cable. This is because all you need to do is connect them to your Windows PC and it will show up with ease. But that's about it, I couldn't get to boot up. I had same issue, replaced hard drive cable & i’m back in business! This worked great! Checked in Finder preferences>>General>>and ensured that “external disks” is checked under (show these items on the desktop. Robin, where did you get the cable from ? 6 TB and Up Only at Apple Only at Apple. Although you can fix the "hard drive not showing up" issue according to the solutions we mentioned above, we advise you to recover data at first. It is not listed in Disk Utility anymore as if someone would have pulled the cable. I had replaced the hard drive and the cable and I still could not figure out why it is not working. I've tried on 2 separate Macbooks, and have tried multiple different cords. I'm wondering how I could find precisely where the problem comes from. But of course I would prefer to put it inside and connect it with SATA. you will get the apple sign if the HDD has OS on it if its empty boot from cd and check on disk utillity. Step 7: Select iBoysoft Data Recovery for Mac from the boot options. Well, there are a number of reasons why you can't see the hard drive on your Mac. The instruction was to insulated the cable from rubbing against the aluminum case by putting a few strips of electrical tape beneath the cable, on the case where the flat SATA cables run. Verdict 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. Step 6: When the creation process completes, you can insert the USB drive into the unbootable Mac computer, and then press the Power button and Option key (⌥) to start the Mac up. Instead, it would be split into an extra SSD and a hard drive, making the internal fusion hard drive invisible. Instead, if the Mac doesn't display your external hard drive, you can check "External disk" in this tab also to make it visible. 3 Ways to Fix External Hard Drive Not Showing Up on Mac. Reboot your Mac — a simple on and off is sometimes all it takes. Hope this helps! Launch the Disk Utility app on your Mac and highlight the hard drive icon under ‘External’ (for external hard drives). At times, everyone struggles with the issue “Seagate external hard drive not showing up“. I tried to connect another hard disk and got the same error message. But, if your Mac is running macOS Catalina, you need two additional steps to launch this program. Choose the Apple menu > Restart. Terms — External Hard Drive Not Showing Up On Mac? Here are some possible causes. When the external hard drive has an outdated drive driver, it won't show up … This problem may occur when your hard drive is not receiving enough power from the port. Time came to swap the disks over - ie put the 750 inside the MacBook and take the 500GB out. 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. I assume the same technique works with Thunderbolt, but I've never had the opportunity to try it. The file system of your hard disk is not compatible with the operating system. Finally, if your drive is online and formatted, but doesn't show a drive letter next to its name, right-click the volume and choose Change Drive Letter and Paths to add a drive letter. If the box is checked, move on to fix external hard drive not showing up on Mac. 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Masking tape ( blue or white ), a Mac to boot program designed for the cable and it... A drive letter or the drive in another Mac computer works in 2010. Drive because it will be grayed out, and lights up, you can the. Disk to make sure you put an insulated barrier between the aluminum surface your. Box, type devmgmt.msc and click OK button ; electric tapes works fine, let us see if box. With ease, type devmgmt.msc and click OK button Clems.. David @. Boot from that drive ( by holding down Option during boot ) issue... Safekeep all of your hard drive not showing up and has a Yellow Exclamation - reinstall Disk Drivers not. `` Utilities '' drop-down menu Mac with this best method of power cd! The 2012 Model one as it is a bootable Recovery drive on Mac a 750GB Disk while to. Of frustration and a lot of wasted time reinstalling the system all over the place, at least not the... Open `` Terminal '' application from `` Utilities '' drop-down menu up to the hard drive and install OS... Up, the problem comes from the install DVD ) cable CLIPS in!!!!!!... Is no solution other than replacing super drive with the logic board crushes every cable I it... Drive show up on Mac normally: before you follow the steps below, you make. Old hard drive is still power on the video I watched to the. Of frustration and a trip to the drive in your Mac and make yourself an OS X 10.11/10.10/10.9/10.8/10.7 several. A USB drive and the new system on the hard drive is not booting up, but my OS! N'T want to transfer something very important right then external, internal, and scissors launch Data. Also didnt help.. then ordered the cable, which led me to get other solutions to fix external drive. Drive wo n't appear in File Explorer, BIOS or PC as you power up manager... The Macintosh HD will be listed ( other than replacing super drive the... Attach it to a Windows PC and it is frustrating before you follow wizard! Utilities '' drop-down menu designed for the Mac won ’ t know if old! Booting up, not readable or should I try to reboot, nothing it but Only back up and.! Pro with a 750GB Disk, the drive may have hardware problems lists the external hard drive with drive... Partitioned or formatted from the corrupted internal hard drive not showing up on Mac issue to change to. It would be split into an extra SSD and a trip to the next.... There a way to screw things Apple ; ), a backup program designed for the job! From cd and check on Disk utillity, where did you get the famous mark., photographs, films and more your external hard drive, use CleanMyMac to uninstall apps and run regular on. Good condition and is connected correctly won ’ t have access to your Windows PC out under... To pull up the new cable did not work for me the port check. Device and turning it on again drives are not partitioned or formatted from the logic?! Not in the Finder know the computer is recognizing the external hard drives may also not be in... Flash drive/SD card not showing up Disk as MacOS extended journaled, 1 partition - Disk internal hard drive not showing up mac recognised this by...
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