Installed NTFS-3G, external drive was not readable. Why?

Hi, I installed NTFS-3G to read and write my hard drive on my macbook air (OS X 10.9.3), however, after installing it, my mac cant even read the disk any more. It prompts "the disk you inserted was not readable by this computer". How do i f

Try one of the other NTFS options:
http://discussions.apple.com/docs/DOC-3003

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Need help with Mac & PC not recognizing external drive (disk not readable)

I am having trouble getting my computer(s) to recognize my Seagate External Drive.
Have tried on my MacBook, iMac, 2 Mini's & my roommate's PC and all reveal the same issue: The Disk you inserted was not readable by this computer.
MacBook/iMac both are working off of Leopard
Both Mini's are on Tiger
It won't show up in finder, rendering it unobtainable. I need to get the information if at all possible off of this hard drive (very important!!) so any help I can get would be greatly appreciated!
It allows me to go into disk utility where it shows up with this information:
Name : ST316002 3A Media
Type : Disk
Partition Map Scheme : Master Boot Record
Disk Identifier : disk4
Media Name : ST316002 3A Media
Media Type : Generic
Connection Bus : USB
USB Serial Number : 3LJ07T540000
Device Tree : /PCI0@0/USB7@1D,7/@4:0
Writable : Yes
Ejectable : Yes
Mac OS 9 Drivers Installed : No
Location : External
Total Capacity : 149.1 GB (160,041,885,696 Bytes)
S.M.A.R.T. Status : Not Supported
Disk Number : 4
Partition Number : 0
And it is in the "about this mac" section with this information:
Seagate Mass Storage:
Capacity: 149.05 GB
Removable Media: Yes
Detachable Drive: Yes
BSD Name: disk4
Version: 0.00
Bus Power (mA): 500
Speed: Up to 480 Mb/sec
Manufacturer: Seagate
Mac OS 9 Drivers: No
Partition Map Type: MBR (Master Boot Record)
Product ID: 0x0500
Serial Number: 3LJ07T540000
S.M.A.R.T. status: Not Supported
Vendor ID: 0x0bc2

Additional info:
on the disk4s1 info in disk utility, this information is seen:
Name : disk4s1
Type : Volume
Disk Identifier : disk4s1
Mount Point : Not mounted
Connection Bus : USB
Device Tree : /PCI0@0/USB7@1D,7/@4:1
Writable : Yes
Capacity : 149.0 GB (160,022,790,144 Bytes)
Owners Enabled : No
Can Turn Owners Off : No
Can Be Formatted : No
Bootable : No
Supports Journaling : No
Journaled : No
Disk Number : 4
Partition Number : 1
so it looks like a whole lot of no's that need to be turned around! I can't understand why it won't be read by either Mac or PC with all of this, or how I can fix it

I have v10.8.2 os on my mac. i use an external drive for backup which is on whenever the mac is on. whenever the mac wakes up i get the reminder that the drive was not properly ejected. i did not have this issue with snow leopard?

since i have upgraded to mountain lion i get a popup whenever my system wakes up telling me that my external drive was not ejected properly. i did not have this issue with snowleopard. i leave my hard drive on and connected for use with time machine.

Message was edited by: leroydouglas
better yet, try this solution:
https://discussions.apple.com/message/12351186#12351186

External Hard Drive - "The disk you inserted was not readable"

Yesterday I bought a Seagate FreeAgent 500 GB external hard drive and I ran disk utility and had it erased and formatted for my iMac. Then I put all my video files and movies on there to free up some space on my main computer hard drive. The FreeAgent external hard drive showed up on my desktop right under the main hard drive and it was working fine.
Today I downloaded and installed Boot Camp and then installed Windows XP Home Edition. After I was done, I went back to OS X and now there's no icon for the FreeAgend external hard drive on my desktop and instead a windows pops up saying "Disk Insertion-- The disk you inserted was not readable by this computer" and my only options are "Disk Utility", "Eject", and "Ignore".
So I can't access my external hard drive now but I don't want to do the "erase" option on Disk Utility to reformat it since I have all my video files on there now.
I don't know what to do-- please help!!

Contact Seagate for tech support.

External Drive: The Disk You Inserted Was Not Readable By This Computer

I have a 2TB Western Digital external drive that I've been using for a year or two as my backup for my Aperture libraries. Been working fine until now, I get the "The disk you inserted was not readable by this computer." Clicking "Initialize" takes me to disk utility with no usable options. Whatdoido?!
Did my laptop just become illiterate?

I had this exact issue with my external harddrive, I scrolled forums and did what they said and nothing, then I just happened to be in the app store and thought I would search for data recovery, a few came up and only a couple had ratings so I looked at Data Rescue 3, its £40 so I went ot their website for the trial version, downloaded and installed that, tried it and rescued a random file (limits obvioulsy on the trial verison) and it worked so paid the £40 and am currently saving all my files to another external harddrive.
Try out the trial first and if it works on one file i reccomend the the full program!
Good Luck!

Keep getting a "the disk you inserted was not readable by this computer" when I insert my printer cord into either USB port. Recently installed a portable hard drive for back up purposes. Related?

Keep getting a "the disk you inserted was not readable by this computer" when I insert my printer cord into either USB port. Recently installed a portable hard drive for back up purposes. Related?

Does your printer have a slot for an SD card? Is there are card in the slot? If so, the computer is trying to mount that card as an external device. It might be corrupted so that it can't be read.

How do I view and open all my files again that are on my external hard drive?? Error message saying 'The disk you inserted was not readable by this computer' Three options are Initialize, Ignore or Eject.

I have recently purchased Toshiba 1TB hard drive and I set it up and I was able to transfer all my files onto it such as my music, photos, documents. I had correctly ejected and used it again and all these files were safely stored and accessible afterwards. However after I rebooted my computer as it had been going slow and I had too much clogging it up once I reconnected the external hard drive I have error message saying 'The disk you inserted was not readable by this computer' Three options are Initialize, Ignore or Eject. How do I access all my files? I set it up to work on both mac and windows. I have tried both another mac and windows computer and same issue occurs?? I am worried that all my personal files are gone but am confused as the drive has had absolutely no damage to it as it was in a very short time frame and its never left the same spot. Any help would be greatly appreciated. Thanks

Thanks for your quick response. I had a look at your discussion... I tried it on a Windows machine and I thought that was compatible with ExFAT?
Therefore I need to attempt to use my external hard drive with a machine that boasts OS X 10.6.5 or above and then it should work?
Thanks

WD external Hard Drive comes up with "The disk you inserted was not readable by this computer."

So here lies the problem, when connecting my WD external HD to my MBP, I get the message The disk you inserted was not readable by this computer. and a further three options of initialize, ignore and eject. I have always hit ignore.
When checking my files, the HD is not available in my finder window.
I've gone into Disk Utilities. It is there to be highlighted. And I go to repair the disk, but each time the Repair button is greyed out.
I've tried to use my data recovery software (rescue pro deluxe) but because the drive isn't showing up in that program, it isn't working.
Are there any other options out there to get the files from that HD (I've just gotten back from 2 months of travel with a bunch of photos on that HD - so would like to get them back). Even if that means putting them onto a spare external HD.

Thanks for your quick response. I had a look at your discussion... I tried it on a Windows machine and I thought that was compatible with ExFAT?
Therefore I need to attempt to use my external hard drive with a machine that boasts OS X 10.6.5 or above and then it should work?
Thanks

My external LaCie drive gets an error message "the disc you inserted was not readable by this computer." The only options offered are "ignore" or "eject" Disk Utility sees the disc but does not give a repair option. What can I do?

When I plug in my external LaCie drive I get an error message "the disc you inserted was not readable by this computer."
The only options offered are "ignore" or "eject"
Disk Utility sees the disc but does not give a repair option.
What can I do?

The good thing about mac-centric resellers such as OWC, is they have people on staff that can answer questions without you buying things first. They also have how-to information, and instructions are included in many of their products. I saw a link to watch a DIY video in one of their pages; an example of a RAID (with its own power supply) is shown on their drives page. Also a few in there, with no power supplies, for less money.
If I were looking to backup and perhaps also have a partition for a system clone, I'd consider something like one of these: http://eshop.macsales.com/shop/firewire/1394/USB/EliteAL/eSATA_FW800_FW400_USB
Some ideas on the RAID backup methods appear in google search, some of the pages are ideas and concepts; and the better ones also warn about using RAID for the only backup plan.
Oh, OWC has live chat. Haven't tried it, nor have I bought anything from them. I have what appears to be two products from them, but have not used either. One is in a box as-new, but has only USB2.0 ports & my Macs needed FW400/800. It has been said their RAM is a good way to upgrade, too. But I can't confirm!
A 'RAID-ready' unit for backup may be more versatile for just that, but I have not checked into these details. I use single HDDs in powered enclosures, and usually manually make backup clones to FW drives, of bootable OS X systems. Some of the OWC raid-ready use eSATA ports so that may not be viable for a computer without them.
The unused in-box external drive I have is like the base model in the link above. However mine is USB2.0 (maybe) and won't boot my older Macs due to hardware variance; and my preference would be for FireWire options, these models do offer that. But the one I have does not. Dual 500GB HDDs, and they could be used in tandem as a RAID. That would be a choice set up in software. I'm not sure and not interested enough to read up just now.
My backup method is not automatic, or a moving backup plan, if I don't get a move-on and make full system clones. I do make copies of photos and documents the manual way, to USB external drives; and occasionally backup to DVD or CD media. And USB flash, that helps to move files between computers without need to use file sharing via wi-fi. {Like Why fly? Walking is better exercise unless one is a bird. Squawk!}
https://www.google.com/#q=raid+backup+mac
Depending on the ports in your Mac, you may be able to use other cables to attach between a backup or externally enclosed hard disk drive with multiple partition and bootable clone in one of them. Not sure about the Thunderbolt, and where that is the main port, adapters are required to access other devices, as allowed.
Anyway, I am going on and on, yet not really saying anything.
My ideas would not be all that interesting to follow as a backup
plan when matching available newer hardware to task, but you
can get some into better ideas if you are not in a rush. Get a
good setup and then look into more an betterer stuff.
Good luck & happy computing!

I've been getting the error message "The disk you inserted was not readable by the computer". I can't open system preferences, disk utility, or Time Machine. I'm guessing it has something to do with my external hard drive, although it hasn't been touched.

I've been getting the error message "The disk you inserted was not readable by the computer". I can't open system preferences, disk utility, or Time Machine. I'm guessing it has something to do with my external hard drive, although it hasn't been touched lately, but I can't figure out how to solve the problem. Any suggestions? Thank you!

Thanks for your quick response. I had a look at your discussion... I tried it on a Windows machine and I thought that was compatible with ExFAT?
Therefore I need to attempt to use my external hard drive with a machine that boasts OS X 10.6.5 or above and then it should work?
Thanks

"The disk you inserted was not readable by this computer" on NTFS ext HDD

I have spent hours trying to find a solution to this problem, but alas - nothing really useful came up. Therefore I now turn to you, Discussions - you're my only hope!
And to the case:
I just got a brand new shiny and aluminiy MacBook Pro a couple of weeks back, and since my last laptop was a PC, I have been very content ever since switching.
However, this week I bought a new Lacie 2TB external HDD (also shiny) and backed up a lot of stuff from my Windows days.
I partitioned it in Windows and made two NTFS partitions (approx. 1.8TB + 200GB). It was not an option for me to partition it to HFS, as I need it to exchange files between my Mac (using ntfs-3g) and my (and other) Windows computers (and a lot of files exceed the FAT32 file size limit).
Unfortunately when I connect to my MacBook Pro (and my old 2005 PowerMac G5) it gives me the "The disk you inserted was not readable by this computer", and I am not able to verify nor repair it in Disk Utility. It doesn't even show the partitions correctly, it only weirdly enough shows a 3 megabyte partition and 329.70 megabytes of free space.
It still, however, works fine on my Windows computers. I also have the 1TB version of the same Lacie HDD also with two NTFS formatted partitions, and that drive shows up nicely on my MBP.
Does anyone know how/have an idea on how/have a magic potion to fix this?
- I have run chkdisk on it on my Windows comp and it showed no errors.
- I have also tried booting Snow Leopard in 32bit kernel mode (as someone presumably had that help earlier) but with no luck.
- I've connected it both via USB and FW. Same problem.
- I've installed and later uninstalled NTFS-3g and MacFuse - no change.
- And as mentioned I've connected it to my PowerMac G5 (w. Leopard), that also couldn't read it properly.
It is not an option for me to reformat it right now, as I have nowhere to back up that drive (and buying another new external drive is out of the question, as I semi-accidentally spent all my money on the new MBP ).
Anyone helping me solve this issue will receive 10 units of my deepest gratitudes (and maybe a couple of muffins, should the person drop by some time).
Thanks in advance.

Well it seems to work somewhat now, after some playing around.
And here's what I did:
- I downloaded the bootable System Rescue CD
- I booted it up from my PC. And entered the TestDisk utility, where I resaved the partition table (even though it already showed up fine). (If you don't have an extra PC to boot from, the TestDisk utility can also be installed on Mac OS, I just don't have the skills to do that).
- Tadaa! Now I was able to read the disk and its two partitions (one NTFS and one exFAT) on my MacBook! But... When I plugged the external drive into my PC again it didn't show up anything, and in the disk manager, it detected the drive structure as being all unallocated space.
Upon plugging it into my Mac again, it once again showed my old fiend, the "The disk you inserted was not readable by this computer" error. Sigh.
- So once again I booted up the System Rescue CD and TestDisk, and rewrote the partition structure. One weird thing was, that TestDisk this time detected the disk as being mac formatted, so I had to manually select the "Intel/PC" structure option. After rewriting the structure the disk once again it showed up nicely on my Windows PC.
- Before plugging it back into my Mac, I decided to try and install MacFuse and NTFS-3g.
- Since MacFuse doesn't apparently support the 64-bit kernel mode, I booted up my MBP in forced 32-bit kernel mode and voila - I could now read (and write) to my NTFS disk and connect it to my PC and back, without it messing up again.
I won't mark this issue as solved just yet, as I will need to see if it lasts. Also it's not really a lasting solution to be forced to boot into 32-bit mode, so I'll have to see if there's another way at some point.
Message was edited by: Nilfisken

FRUSTRATED! Cannot access Seagate external HDD - message is "the disk you inserted was not readable by this computer"

I get the message "the disk you inserted was not readable by this computer" when trying to access my Seagate external HDD.
Disk Utility lists both the Seagate drive and volume but all options (verify disk, repair disk) are greyed out.
It says the volume is unmounted and Windows_FAT_32.
(The external HDD used to be formatted for NTFS, but when I moved across to Apple last year, I reformatted to FAT32).
I haven't accessed the drive for a few months but the last time I did, it worked fine.
I'm running OS X 10.9.5 on MBA bought last year.
I've spent 2 hours trawling through blogs/mac forums/apple support and nearly bought Disk Warrior out of frustration, but surely there must be a simpler solution?
I don't think I'm dealing with a corrupt drive, just an inaccessible one!
Any help greatly appreciated, even if it is to pay the $$$ for DW...!
Thanks, Jay

See mount section in 1st link.
Disk Unmount Using Terminal
Disk Utility – Force Mount Disk

External Seagate drive suddenly "not readable" by iMac

I'm having a problem with a Seagate Backup Plus external desktop hard drive.
It was working fine, but then I restarted my computer and got a window with the error message: "The disk you inserted was not readable by this computer." and options to Initialize…, Ignore, or Eject.
I rebooted my computer a few times, and each time I get the same error message. When I open Disk Utility, I see the hard drive listed in the side bar, but it is not mounted and will not mount. Each time it is labeled something like "disk2s2," "disk10s2" or "disk6s2," etc. That changes slightly each time like that, but seems to always begin with "disk" and end with "s2."
I ran repair disk and got the following result:
The drive is about three months old. I think it did something like this when I first bought it (I remember seeing the "disk2s2" label in the Disk Utility sidebar), but restarting solved it then. Now it seems to keep happening every time I restart.
I would really appreciate any help or information any of you can provide.

External hard drive spontaneously unmounted? Try these tips:
NEW FIRMWARE: Try updating your external hard drive's firmware, which is available from your drive manufacturers Web site--or just use VersionTracker's (www.versiontracker.com) search function to find it. Be sure to back up your data before applying the update, and carefully follow the manufacturers instructions.
OUT OF iSIGHT: If you're using an iSight camera while you're using a FireWire drive, the camera may be interfering with the drive's ability to stay mounted. Try temporarily disconnecting your iSight and moving it to a separate FireWire port. If you have multiple FireWire devices, try using a FireWire hub.
POWER PROBLEM: A faulty power adapter could be causing your drive to unmount. Your drive may not be getting enough juice to stay on, causing the drive to turn off and thereby unmounting it from your Mac. Alternately, the power adapter may not be providing a steady amount of power, causing your drive to turn on and off. Try replacing the adapter. If you can't get a replacement adapter from the hard drive manufacturer, try your local electronics store. Just make sure the adapter you choose has the same connector and input/output voltage. you can find the input/output voltage on the adapter itself.
Cheers!
DALE

After upgrading to osx 10.9.3, my external hard drive was not able to mount, but it can be mounted without issue in osx 10.6, how do I solve it? it was formatted by disk utility.

Hi
After upgrading to osx 10.9.3, my external hard drive was not able to mount, but it can be mounted without issue in osx 10.6, how do I solve it? it was formatted by disk utility.
Thanks
PT

From the menu bar, select
 ▹ System Preferences ▹ Energy Saver ▹ Power Adapter
and uncheck the box labeled Put the hard disk(s) to sleep when possible, if it's checked.
If the drive has more than one interface (USB, FireWire, Thunderbolt, eSATA), try one of the other interfaces.
Check that the data cable is securely inserted at both ends.
Try a different cable.
If you're connecting the drive through a hub, connect it directly to a built-in port on the Mac.
If you're connecting it directly, try a different port.
Disconnect all other devices on the bus, or as many as possible.
Test the drive with another Mac. Test another drive with this Mac.
If the drive is bus-powered, but has an AC adapter, connect the adapter.
Start up in Recovery mode and launch Disk Utility. Is the drive recognized?
Start up in Safe Mode and test.
Reset the NVRAM.
Reset the System Management Controller.
If the drive doesn't work under any of the above conditions, and if another drive does work with the same Mac, then the drive has failed. You may be able to salvage the mechanism by removing it from the enclosure and installing it in another one, or in a drive dock.

HELP, external hard drive suddenly "not readable"

Hi everyone,
It appears that my external hard drive that held most of my film material is messed up. It's not being recognized by my mac and the drive was really hot when I touched it.
I have to try to figure this out as on this drive I have 100's of hours of edited material in this one film that I was almost finished with.
Does anyone know anything about this type of stuff, what might of happened and how I might be able to recover the drive?
I'm so lost right now.
It's a 250GB western digital.
when i reboot, the mac sees there is a new drive attached and asks if I want to format the new unformatted drive. To be exact it says:
The drive you inserted was not readable by this computer.
The it provides the following buttons: INITIALIZE - IGNORE - EJECT
Please, any help would be sooooo appreciated.
Jay

Open the Disk Utility in the /Applications/Utilities/ folder and try using the Repair Disk function on the drive; if it doesn't work, an utility such as TechTool Pro or DiskWarrior may be able to repair the drive. If you have AppleCare for that machine, you have or can get TechTool Deluxe, which can be used for this task.
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Installed NTFS-3G, external drive was not readable. Why?

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