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Q: Seagate External HDD won't show up.

Hi.

I have a 1TB Seagate Back up Plus external harddrive, and it wont show up in my Mac Pro.

The Mac Pro is the 2006 Intel Xeon model running 10.6.8 Snow Leopard. The System requirements for the external HDD are snow leopard or higher, so I don't know why it isn't working.

P.S. When I plug in the USB cable into the computer, the HDD starts to spin, but it never shows up in the finder or on the desktop. Also, this HDD works in my MacBook Pro, but not the Mac Pro.

If anyone has any useful information, that would be greatly appreciated.

Thank you.

Mac Pro, Mac OS X (10.6.8), Mac Pro 1,1

Posted on Apr 16, 2014 8:27 AM

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Q: Seagate External HDD won't show up.

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  • by t_underscore_19,Helpful

    t_underscore_19 t_underscore_19 Jul 24, 2015 6:35 AM in response to lllaass
    Level 1 (10 points)
    Jul 24, 2015 6:35 AM in response to lllaass

    Thank you! It is showing up and working now after I inspected it in System Report.

  • by peachybleach,Helpful

    peachybleach peachybleach Aug 4, 2015 4:59 AM in response to DisneyWorld
    Level 1 (5 points)
    Aug 4, 2015 4:59 AM in response to DisneyWorld

    I'm having this problem as well, the light comes on on my portable hard drive which indicates to me that it's connected or working, but it won't show up even when external hard drives are selected in finder, or in disk utility. It shows up in system report under USB I think, but I can't seem to do anything from there? It's brand new and supposed to be mac compatible.

  • by najzul,

    najzul najzul Sep 9, 2015 5:40 AM in response to lllaass
    Level 1 (0 points)
    Sep 9, 2015 5:40 AM in response to lllaass

    hi. i have the same problem. my 1TB seagate backup plus external harddrive doesn't show up on finder nor disk utility. i came across ur response and tried the first option. it appears at the system report under USB. but then what do i have to do to make my harddrive appear in finder? i'm new to this so i was hoping u could help. thank you.

  • by lllaass,

    lllaass lllaass Sep 9, 2015 7:12 AM in response to najzul
    Level 10 (187,938 points)
    Desktops
    Sep 9, 2015 7:12 AM in response to najzul

    Do lights light? on the enclosure?

    Can hear/fell it spinning?

    Do it work/show on another computer?

    What shows in System Profiler?

    Post a screenshot of what appears

    How to take a screenshot on your Mac

  • by najzul,

    najzul najzul Sep 9, 2015 7:49 AM in response to lllaass
    Level 1 (0 points)
    Sep 9, 2015 7:49 AM in response to lllaass

    yes. lights light

    no. but there's a beeping sound when i connect the hd to my mac but only for a few seconds

    no. i tried on other laptop but it didn't appear too

    here's a screenshot:

    Screen Shot 2015-09-09 at 10.42.47 PM.png

     

    i just bought the hd two months ago and it worked just fine until today. i accidentally pulled out my hd without ejecting it properly. when i tried connecting it back again it didn't appear in finder or disk utility at all. is there anything i can do? thank you for replying.

  • by Nightsky-ansquf,

    Nightsky-ansquf Nightsky-ansquf Sep 23, 2015 4:37 PM in response to lllaass
    Level 1 (0 points)
    Sep 23, 2015 4:37 PM in response to lllaass

    I have the same problem as well, it blinks but does not show up anywhere. I went to check in the System report and it was not there. I have tried using a different cable and connecting it to another computer but neither works. I have some really important things on the drive so I would like to know a way in which I could get it working while still keeping all my previous files.

     

    My drive is a Seagate Backup Plus Portable Drive and the model is SRD00F1.

     

    If anyone could help me, it would be greatly appreciated as I have been trying for a couple of days.

     

    Here's a screenshot of what is shown in the System Report with my drive connected and blinking:

    Screen Shot 2015-09-24 at 9.34.07 am.png

  • by lllaass,

    lllaass lllaass Sep 24, 2015 1:43 AM in response to najzul
    Level 10 (187,938 points)
    Desktops
    Sep 24, 2015 1:43 AM in response to najzul

    Does the external drive work when connected to another computer?

    Does this computer see other external drives OK?

    Maybe the drive died.

  • by Nightsky-ansquf,

    Nightsky-ansquf Nightsky-ansquf Sep 27, 2015 6:51 AM in response to lllaass
    Level 1 (0 points)
    Sep 27, 2015 6:51 AM in response to lllaass

    The drive doesn't show up either when connected to another computer but the computer does see other external drives.

    What could be done if the the drive did die?

    If you could help it would be much appreciated.

  • by lllaass,

    lllaass lllaass Sep 27, 2015 7:16 AM in response to Nightsky-ansquf
    Level 10 (187,938 points)
    Desktops
    Sep 27, 2015 7:16 AM in response to Nightsky-ansquf

    That would indicate a problem with the cable or with the electronics in the enclosure. Likely the disk inside is still good.

  • by Laura and Nige,

    Laura and Nige Laura and Nige Oct 12, 2015 4:07 PM in response to Nightsky-ansquf
    Level 1 (0 points)
    Oct 12, 2015 4:07 PM in response to Nightsky-ansquf

    I am having the same issue, and appreciate your questions here. Ive recently updated to El Capitan.

    I have another seagate drive and it is working fine.

    Ive tried swapping cables etc an using new power sources. The disk starts up but just wont reflect on the Mac at all.

  • by erickonphoenix,

    erickonphoenix erickonphoenix Oct 13, 2015 8:26 AM in response to DisneyWorld
    Level 1 (0 points)
    Oct 13, 2015 8:26 AM in response to DisneyWorld

    This puzzling problem just started on one of our external drives last month. It's a low priority drive so I haven't looked closely at the problem until today. Seagate 3T disappeared from the mac server's finder but is still visible to everyone on the network. That's fine since they use it to store files that are ready for deletion anyway but I'm troubled why I can't see the drive on the server. I literally have to log on to the LAN remotely on my MBP to view it and move files around. Which is slow as cricket compared to working off the server.

     

    • Disk Utility see's it and it's healthy

    • Finder prefs show's external drives checked

    • sidebar drive panel set to "show"

    • I can mount and dismount the drive on disk utility

    • I've rotated all USBs and same issue

    • I've moved the 3T drive to other computers and it won't show up on the their finder either

     

    My network configuration:

    We work on a six Mac LAN connected to a Mac Mini server that serves up a 6T, 3T and another 3T

    6T working is on Thunderbolt

    3T is on Thunderbolt

    3T is USB 3.0

  • by jyh10001,

    jyh10001 jyh10001 Nov 6, 2015 10:26 AM in response to DisneyWorld
    Level 1 (5 points)
    Notebooks
    Nov 6, 2015 10:26 AM in response to DisneyWorld

    I am having this trouble too. Any advice or help please???

  • by lllaass,

    lllaass lllaass Nov 6, 2015 10:30 AM in response to jyh10001
    Level 10 (187,938 points)
    Desktops
    Nov 6, 2015 10:30 AM in response to jyh10001

    You are better off starting your own discussion. Include:

    - Does it show in Profiler

    OS X: About System Information and System Profiler - Apple Support

    - Does it show in Disk Utility? If so what is listed about the drive?

    - Can yo hear/feel the disk spinning?

    - Do the lights on the enclosure light?

    - Did it "work" before?

    - Does it show on another computer?

  • by Allan Eckert,

    Allan Eckert Allan Eckert Nov 6, 2015 10:32 AM in response to jyh10001
    Level 9 (53,457 points)
    Desktops
    Nov 6, 2015 10:32 AM in response to jyh10001

    If you can't find the solution above in this thread then start your own thread because you in fact do not have the same problem then.

  • by pkincses,

    pkincses pkincses Nov 20, 2015 4:01 AM in response to DisneyWorld
    Level 1 (0 points)
    Nov 20, 2015 4:01 AM in response to DisneyWorld

    For me the solution was to select the external hard drive in Disk Utility then I clicked on the "Mount" icon at the top.Screen Shot 2015-11-20 at 12.03.45.png

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