MacBook Pro :: Toshiba External Hard Drive - This Disk Not Readable By This Computer Message?

Dec 8, 2009

I just bought a new 1 TB external hard drive for back up purposes. When i connect it via USB to my Snow Leopard macbook pro, it gives me a "this disk not readable by this computer message". I click ignore, and it lets me do whatever i want to the disk - read, write, etc. I have tried repair disk - tells me it's good to go, and tried reformatting several times - thought not zero disk data or the 7 pass bs.

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MacBook Pro :: FAT Formatted External Hard Drive Is Not Readable By This Computer

Jun 2, 2014

when I insert my 'FAT' formatted external hard drive (Samsung M3) into my mac book pro it comes up with the error message that says "the inserted disk is not readable by this computer" and I therefore cannot access the files. The story (potential further details): 

1. I had a problem with my mac where it took hours to load each time I turned it on, would only work when power was plugged in etc. so I had to reformat my mac hard drive (when I tried to veriify it said repair, that wouldn't work). So i'm starting with a recently reformatted, clean mac. 

2. Before doing this I reformatted my external hard drive (whilst on windows machine) to FAT32 (so I can use on both windows and mac) so that I could back up my files. 

3. I then transferred files from mac onto external hard drive and then also put them on a windows machine. 

4. After reformatting mac hard drive when I then tried to transfer files back onto the mac I get the 'not readable' error. 

Info:
MacBook Pro, iOS 7.1

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OS X :: External Hard Drive Not Readable By Computer

Feb 8, 2010

I have an external hard drive that I have been using for back ups for several months, but now I get an error message that says, "The disk you inserted was not readable by this computer". I looked up other peoples issues with this, and they have used things like disk warrior to fix it, but I am not very interested in saving what's on the hard drive anyways. I just want to clear out the hard drive and start fresh.

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Apr 10, 2012

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MacBook Pro

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Feb 5, 2012

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Sep 10, 2014

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MacBook Air, iOS 7.1.2

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Intel Mac :: Error Message "The Disk You Inserted Was Not Readable By This Computer"

Jul 5, 2012

I got this message this afternoon "The disk you inserted was not readable by this computer" with the options to either "Ignore" or Eject"  This is in reference to my External Hard Drive "Buffalo" 1TB. I just got my Mac 27inch this week and when i got it i hooked up this hard drive to it, historically used on my old windows machine, but was still FAT32 formatted. I was able to upload all my pics to Aperture and music to iTunes. Was able to surf the data no problem. This afternoon i noticed that it was no longer visible in the "Finder" and afre rebooting several times,got this message "The disk you inserted was not readable by this computer" Neither the mac nor the HD was moved since yesterday, early this am when it worked.  

Some info:I had used this external storage unit for more then a year.I sold my PC today so cant test if the hard drive still works on that. I have the latest 27 inch mac (2.7GHz)Storage is connected to a power source ( I tried both USB and FireWire, both yield the same message)

Info:
iMac, Mac OS X (10.7.4)

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Jan 9, 2010

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Jun 9, 2008

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OS X :: Toshiba Usb 2.0 External Hard Drive Cannot Be Modified?

Sep 11, 2010

i have a mac book pro with OS X version 10.5.8. i recently bought a toshiba 320 GB USB 2.0 external hard drive - which on the box said compatible with Mac and leopard. I plugged it in and all it has is .exe and windows set up files that dont run on my mac, and i try to drag things into the hard drive and it tells me TOSHIBA EXT cannot be modified.

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Sep 24, 2010

I have had this WD "my book" ext. HD for about a year without a problem. Today after restarting the computer I got a notice, instead of the HD icon. On screen I got a box that said "the disk you inserted is not readable by this computer" below this was 3 options. Initialize, ignore, eject". I was afraid that initialize would erase or reformat the drive so I pressed eject, I've tried many times but still the same thing. Has my ext. HD died? Should I click initialize? All my backup data & time machine, music,etc., is on this drive, I don't know what to do.

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Jun 23, 2014

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OS X :: How To Format External Hard Drive To NTFS To Make It Mac Readable

Jan 23, 2010

I can't manage to format my Seagate 500GB external HD correctly so it can be readable with my Macbook. I formatted like six times already in Windows 7 and XP to NTFS and still my macbook won't read it...only my Windows computers can read/write it. What am I doing wrong?

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MacBook Pro :: Disk You Inserted Is Not Readable By This Computer

Aug 30, 2014

I have a Macbook Pro with an External 2TB My Book for Mac Hard drive. I used it earlier this week, ejected and disconnected it, went to sleep and then tried to use it the next day and the error message: "The disk you inserted is not readable by this computer." popped up. I have checked partitions, firmware, etc. and all are showing that it is there. It no longer shows up in Finder, though DiskUtility does show it, though it doesn't show any of the partitions, etc. it doesn't even have the name of what I called it. 

- I am trying to get access to my files, I NEED them, (don't we all?!?) But seriously, these have hundreds of photos and videos of my college seminary on them and we need them for our 10- year anniversary. 

Info:
MacBook Pro, OS X Mavericks (10.9.2)

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MacBook Pro :: Error - The Disk You Inserted Was Not Readable By This Computer

Feb 3, 2012

I have been getting an error message each time I connect an external HD to my MBP; "The disk you inserted was not readable by this computer." which allows for 'Ignore' or 'Eject', I typically ignore and all appears to run fine, but still there is something obviously off a bit, incidentally the HD is a WD 640Gb that has my iTunes library?

Info:
MacBook Pro, Mac OS X (10.7.3)

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MacBook Pro :: Error - The Disk You Inserted Was Not Readable By This Computer.

Apr 10, 2012

I recently had a friend fill my hard drive with movies and DVD's. Until this morning I had no problem with viewing the files on my computer and through my tv, other than the fact that I had to download VLC player on my computer as the files were all avi. Last night I noticed that two of the individual files either wouldn't load, or dropped out half way through. I fixed these files by repairing them individually, which solved the problem. This afternoon, my files were working perfectly, with no problems at all.  

Tonight, I have gone to plug in my hard drive, and it won't recognise it at all, other than to tell me that the disk I inserted was not readable by the computer. This afternoon my Mac suddenly needed to restart, the grey screen came over and I had no option but to restart my computer by pressing and holding the power button. This has happened before, but hasn't seemed to affect anything? 

I've tried restarting the computer and changing the hard drive into a different USB port but neither have made any difference. I've also tried to repair disk in Disk Utility, which hasn't worked either. Is there a way to fix this? Or at least get the files off the hard drive onto another hard drive? The hard drive won't show in Finder so I don't know how to back up the files as Disk Utility suggests I do. The hard drive is a HP SimpleSave, about 2 years old. Never had any problem with it before! 

Info:
Mac OS X (10.6.8)

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Nov 30, 2014

I am on Yosemite and when rebooting my iMac I get the message the disk you inserted is not readable on this computer.  How do I deal with this?

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Nov 23, 2007

i have been using an external HD for a while now, i was using it today and it was working fine, then out of the middle of nowhere, i get this message: "disk insertion" the disk you inserted was not readable by theis computer....i run disk utility and get this message:[URL]can someone please give me some advice, i have a ton of important stuff on this HD!

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Mar 17, 2012

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MacBook

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MacBook Pro :: External Hard Drive - Disk Utility Can't Repair Disk

Jun 27, 2014

I have a Seagate 1 TB Backup Plus Drive which was working perfectly fine until I plugged it into a USB hub. It detected it while in the hub and I was able to get files off of it, but when I ejected it from the hub and put it back into the USB slot on the computer it was not detected by finder. It shows up in the disk utility and I clicked verify and repair and it says:

Verify and Repair volume “Seagate Backup Plus Drive”
Checking file system
Volume repair complete.
Updating boot support partitions for the volume as required.

Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files. 

Is there any way to get this to work properly again? Or if not is there a way for me to recover my files on the external hard drive? 

I have a Macbook PRO late 2011 running OS X Mavericks.

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IMac PPC :: Disk Inserted Was Not Readable By Computer

May 29, 2012

I have a Seagate HD attached to my computer that was working fine with my old iMac, but when I just upgraded to a new iMac Version 10.7.4, 3.4 GHz Intel Core i7, it seems to be doing something srewy. I use that disk for my "Backup" files. Since I have switched it to the new computer, the backups continue to fail. An error message comes up saying "The disk you inserted was not readable by this computer." I tried to repair the disk, but I get an error message that states that the drive cannot be unmounted.

Info:
PowerPC G5, Mac OS X (10.3.9)

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May 4, 2012

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Jun 4, 2012

I went to genius bar yesterday because some problems with the privies hard disk drive. They gave me the toshiba as a replacement. I wasn't required to sign any paper after that. Before when I got a replacement iphone or macbook charger, they both asked me to sign a paper. I don't know why this time is different. Also I heard that Toshiba hard drive is worse than Samsung's.By the way, I didn't erase my documents in previous hard drive, will anyone be able use or read them? Well, I saved many account passwords in that hard drive.

Info:
MacBook Pro (13-inch Early 2011)

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Nov 22, 2009

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Dec 3, 2007

This morning the hard drive on my G5 sounded like it was at 8000 rpm's and there was a message on my screen to shut down the computer using the power button. I did this. Now anytime I try to power back up, I get the white screen with the apple and the "booting" icon, which then goes to a blue screen with the same icon, which then is just the blue screen with my mouse icon floating around. Also, on the random occasion, after booting to the blue screen it takes me to a DOS looking screen that asks for my login and password, of which I have neither.

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Power Mac G5

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Apr 1, 2012

A disk is stuck in the optical drive and the Mac isn't picking it up and I can't eject it.

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MacBook Pro

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MacBook Pro :: Adding A Old PC Hard Disk Drive As An External Drive?

May 6, 2012

So around 5 years ago i got the WD-160JB hard disk drive. I want to see all the things i did back then. I want to be able to connect this WD-160JB drive as a external hard drive to my mac. 

What i am wondering is if you can somehow have a cable or something which links the USB from the MBP to the hard disk. 

Info:
MacBook Pro, Mac OS X (10.7.3)

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MacBook Pro :: How To Restore Computer From External Hard Drive

Apr 10, 2012

I recently had to re install a new hard drive and I'm trying to restore my computer from my external hard drive... how do I do that?

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MacBook Pro, Mac OS X (10.6.8)

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MacBook Pro :: Error "The Disk You Inserted Was Not Readable By This Computer"

Jun 3, 2012

I am running a MacBook Pro, Mac OS X Lion 10.7.4 Recently, I had formatted by Western Digital 2TB harddrive into two partitions. One in Mac OS Extended Journaled) format, for backing up files via Time Machine. And the other in MS-DOS (FAT) format, for my normal harddrive use between Mac and Windows.  There were no problems, until I had ejected it and replugged it into my MacBook a few days later. It came up with this error: "The disk you inserted was not readable by this computer". The harddrive doesn't show up on the Finder sidebar.  

I tried opening it via Disk Utility, and gave me the following: Disk Description : WD Ext HDD 1021 Media Total Capacity : 2 TB (2,000,396,746,752 Bytes)Connection Bus : USBWrite Status : Read/WriteConnection Type : ExternalS.M.A.R.T. Status : Not SupportedUSB Serial Number : 5743415A4137383538373835 Partition Map Scheme : Unformatted In the Disk Utility:

It doesn't give me the option to Verify or Repair the disk. I tried erasing everything and reformatting it in Mac OS Extended (Journaled) format. It stalls on "Unmounting disk" for a few minutes then proceeds with another error: "Disk Erase failed with the error: Unable to write the last block of device" - and sometimes the harddrive would just randomly eject during this process. It wouldn't let me partition the drive to any parts (not even back to one). It also wouldn't let me restore  I booted My MacBook into Windows 7 Home Premium and plugged in the harddrive. Again, Windows couldn't install the driver properly and thus, it didn't show up on "My Computer".  

I'm assuming the hard-drive is corrupted. The hard-drive was working fine before all the formatting and partitioning - in a Windows format, I think. What might be the problem and what can I do to format and/or recover files from the corrupt hard-drive?

Info:
MacBook Pro, Mac OS X (10.7.4)

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