Why does it say \'The disk you inserted was not readable by this computer\'

I have been using an HP Photosmart Plus B210a printer for a year. Recently I have many inconsistent printing problems, it's slow, in a queue, just doesn't move until I reboot - pull out plug, download again etc... anyway now it's defunct I'm steaming - shall I chuck it and buy another if so which - thinking of HP Envy 120??? Anyway when I try to use usb and not eprint a box pops up saying: The disk you inserted was not readable by this computer. So here lies the problem, but I;ve changed cables and still it pops up. What does this mean? My Lion 10.7 mac OX is as new as the printer. Please advise, before I go insane.

Sounds like you are having a configuration issue with the software. Initially, my first response will be to completely remove the software from your computer and reinstall it using the software that HP makes available to download. Here is a link to that download :
http://h10025.www1.hp.com/ewfrf/wc/product?cc=us&lc=en&dlc=en&product=4021935
Have you also considered trying a different method of communication (e.g. wirelessly or using an Ethernet cord)? This might allow me to make better assumptions on where the issue lays if I know the circumstances which lead to it.
Let me know and have a great day!

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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

When I insert my Dvd-R it says The disk you inserted was not readable by this computer.Why is this happening ???

When I insert my Dvd-R cd it saids "The disk you inserted was not readable by this computer." Please help
thanks

This is a blank disc? A disc you burned? Burned discs have a relatively high failure rate if you buy cheap DVDs. I bought some Dynex ones once and about one in every four fails.
Have you tried other DVDs to check if it is a drive issue?

I am getting an error that says the disk you inserted was not readable by this computer

There was a recent software update to the computer but that is all. When I plug the drive in it reacts but then I get this error. I have been having horrible luck with my macbook and now I have several weeks of my semester projects on this drive that I can no longer access any help is greatly appreciated.

This is a blank disc? A disc you burned? Burned discs have a relatively high failure rate if you buy cheap DVDs. I bought some Dynex ones once and about one in every four fails.
Have you tried other DVDs to check if it is a drive issue?

The disk you inserted was not readable by this computer-I KNOW!

Hello
Does anybody know how can I make the Finder ignore a certain volume and not prompt me to initialize it every time I plug it in?
I have an external disk encrypted with a third-party utility (TrueCrypt) which means that OS X cannot mount it. The Finder is not happy with that, and prompts me with an annoying popup every time I connect the disk. The popup says: "The disk you inserted was not readable by this computer" and asks if I want to format it.
How can I tell it to ignore that particular disk? I know it's not readable, that's on purpose!
Alternatively, can I partition it in such a way to avoid the warning? I've tried both encrypting the whole disk (no readable partition map) and encrypting a single partition (with a valid MBR partition map.) Both ways cause the nagging.

No.
Truecrypt is not implemented in the System so that it mounts the encryptet volume automatically. that would be kind of stuipd, since its designed to only mount the drive with a password.
When you plug in the external HD with an encrypted volume, finder tells us "i cant read that ****, format it".
thats when you launch truecypt, select that partition, and enter its password.
truecrypt then mounts the volume with MacFuse and it shows up in the finder.
there is currently no way to make truecrypt prompt for a password automatically.
so, the question is and remains, can we disable the finders "initialize volume" dialog?
truecrypt is a terrific applications. too bad os x is yet too ignorant to non-known filesystems.

"The disk you inserted was not readable by this computer" error message

Hello. I've had my iMac for a little over three months and I've encountered a strange problem. I play Warcraft III, and whenever I insert the disk into the drive, I get an error message saying "The disk you inserted was not readable by this computer" and it gives me the options to ignore or eject. I've gotten the same message with Starcraft as well. I also tried putting in the iPod Nano install disk with the same result. CD-Rs and Audio cds work smoothly though. I called Apple technical support and they told me to call 1-800-MY-APPLE to schedule an appointment with my local branch to bring it in. I just wanted to make sure no one on these forums can help me. All help is greatly appreciated. Thank you very much.
iMac (Early 2006) Mac OS X (10.4.6)

Steve, the original poster made clear he was on a core duo iMAC which ONLY runs OS X (discounting non Apple OSes of course!)
Therefore there is no extension manager. But I guess he would thank you for trying to help anyway.

Why does my memory stick all of a sudden trigger the message "The disk you inserted was not readable by this computer"?

I bought a LaCie memory stick a couple of months ago. It worked fine. Now all of a sudden I get the message "The disk you inserted was not readable by this computer". What has happened? Is all my data lost? Can I retrieve it? I tried to fix it with Disk Utility (which at least correctly recognises the stick), and even though I can click on my memory stick I can't do anything to it. Any help would be greatly appreciated!!!

According to an ASC member who claims to work for HP, this issue can be resolved by repairing the permissions of the startup volume in Disk Utility. I can't confirm, but it has apparently worked in at least one case.

Why do i get the "the disk you inserted was not readable by this computer" error when I don't even have a disk inserted?

Why do I keep getting "the disk you inserted was not readable by this computer" caution message when I don't have a disk inserted???

Unfortunately, I saw this error for the first time this morning. It's on my wife's iMac running Lion, and it appeared when the machine locked up on a Software Update screen prompting her to run an update (I'm assuming this was the recent Security Update).
After numerous failed attempts to force-quit or otherwise safely restart, she hit the power button, and when the machine came back up it failed to recognize the startup disk. I've since successfully restarted from several different (external) startup disks without incident, but each time I attempt to fix the internal drive via Disk Utility the disk shows only as "Media" and all the usual options to Repair or Verify the Disk are greyed out, leaving only the Erase Disk option.
Are we totally hosed?

External HDD: "The disk you inserted was not readable by this computer"

Hi,
I have an external drive with important data on it (there is a backup, but there is also some non-backuped data as well...). I cannot access the external drive because I receive a "The disk you inserted was not readable by this computer" message connecting it. I was wondering, if you have some advice on how to get my data back?
I have a WD Elements 2 TB (about 2 months old), I am using is with an iMac, latest Snow Leopard. The drive used to work all fine. Now, I receive a "The disk you inserted was not readable by this computer" every time I connect it. Same thing happens if connected to my MacBook Pro.
What happened?: I was copying files to the external drive. I the middle of it, I received a message complaining I that assumedly ejected the drive by pulling the USB cable out instead of properly ejecting it software-side (I did not do this). The drive symbol was gone. Now, I plug the drive out an reconnected it. The drive symbol showed up again. I continued copying files on the drive, but after some 30 seconds, I received the same error message again. One more time, I disconnected and reconnected the drive - this time to another USB port. The drive showed up, but I was not able to copy files on it (I am using muCommander, it just kept showing 0kb progress). I restarted the Mac. Since then I am getting the "The disk you inserted was not readable by this computer." The drive symbol does not show up anymore.
I was googling the problem: in one forum there was a suggestion to click "initialize drive" and than to "repair" in DiscUtility. I clicked initialize drive and the drive is shown in DiscUtility, but "repair" and "verify" are greyed out. I read more posts on it, one posts suggested NOT to click initialize because that means format in Mac OS language (btw: ***, why is it not called format).
That is the situation at the moment. What is the best - if there is - way to get my data back? DiscWarrior?
I very much appreciate your advice!
Daniel

"Initializing" a drive has been normal computer terminology for decades. "Formatting" generally referred to the high-level preparation also called "erasing." None of this is "Mac OS language."
Disk Warrior will not likely fix the problem you have. DW can repair a damaged directory, but your error suggests an even worse problem of directory corruption. I suggest you try using DW if you have it. Visit the Alsoft site to determine the limitations and usage of the version you have. It may not be able to boot your computer depending upon what version of DW you have and how new your computer is.
If you have no success with DW then see the following:
Basics of File Recovery
Files in Trash
If you simply put files in the Trash you can restore them by opening the Trash (left-click on the Trash icon) and drag the files from the Trash to your Desktop or other desired location. OS X also provides a short-cut to undo the last item moved to the Trash -press COMMAND-Z.
If you empty the Trash the files are gone. If a program does an immediate delete rather than moving files to the Trash, then the files are gone. Recovery is possible but you must not allow any additional writes to the hard drive - shut it down. When files are deleted only the directory entries, not the files themselves, is modified. The space occupied by the files has been returned to the system as available for storage, but the files are still on the drive. Writing to the drive will then eventually overwrite the space once occupied by the deleted files in which case the files are lost permanently. Also if you save a file over an existing file of the same name, then the old file is overwritten and cannot be recovered.
General File Recovery
If you stop using the drive it's possible to recover deleted files that have not been overwritten by using recovery software such as Data Rescue II, File Salvage or TechTool Pro. Each of the preceding come on bootable CDs to enable usage without risk of writing more data to the hard drive. Two free alternatives are Disk Drill and TestDisk. Look for them and demos at MacUpdate or CNET Downloads.
The longer the hard drive remains in use and data are written to it, the greater the risk your deleted files will be overwritten.
Also visit The XLab FAQs and read the FAQ on Data Recovery.

"The disk you inserted was not readable by this computer" 10.9.3 - WD-500GB WD5000AADS

Mac Book Pro
MAC OS Extended(Journaled)
Capacity:97GB
Version-10.9.3
Hello Mac Fam,
I recently purchased a HD-Enclosure (Insignia 3.0 desktop hard disk enclosure),since my WD 500Gig Hard Drive broke(power cable broke). Before the Hard Drive broke, it worked perfectly on my Mac Book Pro (Read/Write). I was extremely excited when i purchased the HD Enclosure since i thought that it would work perfectly, like it did before. However, i keep getting the following message ""The disk you inserted was not readable by this computer". I haven't tried anything, since upon reading various post regarding this problem, i get bits of information but never the complete solution.I have many pictures/files/etc. that i refuse to lose. I know this can be fixed, just need a bit of help to get it done. Any feedback would be greatly appreciated. Merry Christmas to you all, and hopefully someone can help me out.
-guS

OK. for anyone who has had or is having this problem, I think I've found a solution, or a least one that worked for me:
Select your start-up drive, do a Get info (Command-I)
At the bottom where it says sharing and permissions, I had two items: System and Everyone. Both were set to Read. I unlocked using administrator password. I then reset the two items above to Read and Write. I then clicked on the little plus sign which brought up a dialog window. In that I selected Administrator and then set that to Read and Write.
My audio CD's now mount as they always have for years! Very odd, and honestly I could not explain why this worked, but I figured it out myself, something that I now feel I owe my self a fine Belgian beer.
Good luck

The disk you inserted was not readable by this computer - Finalized video DVD

Suddenly I have not been able to watch video DVD’s on my MacPro OS x 10.5.8 that I have recorded with my Panasonic DVR. I am also not able to read some data DVDs. I am able to read other data DVD’s and all the data CD’s I’ve tried. My PowerBook G4 is able read and play all these disks including the video DVD’s recorded on my DVR.
I use my DVR to record TV programs off the air and to transfer home movies from my camcorder to DVD. I finalize the disk and then watch it later on my MacPro. I also use the DVD as a way to get home movies into iMovie for editing.
I’ve had no problems in the 3 years I’ve been doing this. Now when I insert a video DVD recorded with my DVR I get the following message:
“The disk you inserted was not readable by this computer”
Before this happened I watched a commercially produced DVD movie on my MacPro for the first time. I suspect this DVD changed something in my MacPro’s DVD player.
Is there a way to get my MacPro back to the state where it will read a DVD video I have recorded on my DVR? Is there a way to use Time Machine to revert back in time before the problem started? I am using an external drive with Time Machine for backup.
Thanks. Bob

I have a panasonic dvr pretty similar to yours, I hope (DMR EH55) and to transfer stuff to dvd, you have to change the drive over to dvd, put in the blank dvd, format it, then tick off the stuff you want copied, then choose high speed copy, then you have to wait, until the stuff gets copied, and the whole process finishes- dvd in the drive says formalized, this thing is necessary so that this dvd will play in dvd players, then you have to wait until it says it's done. if the dvd is not formalized, just copied and removed , then it will probably not play in dvd players. I've done what was mentioned before, and no problems, also check the brand of media you are using, and use a brush type dvd drive cleaner on your MacPro's DVD drive
hopefully that helps

Unable to read usb memory stick + "the disk you inserted was not readable by this computer"

Hi Everyone,
Today I was tryign to use a brand new memory stick 8GB-Samsung PNY on my Mac Book Pro. (Mac OSX 10.7.5)
1. I do not see this drive in the Finder.
   2. Diskutil could detect the drive.
   3. I was trying to put ubuntu image file on the drive from the terminal uitility and I have this error message in a dialog box:
      "the disk you inserted was not readable by this computer"
4. Clicking on initialize helps me realise that the drive is detected. But I do not have a clue on how to proceed from here. I am new to Mac and its file system formats.
The same issue happened with my 500GB external Western Digital Hard Drive. I was reading on forums that WD got some issues with Apple is trying to resolve. I expected to not have this road-block with another brand but it happened with my memory stick. Now I was forming an impression that something should be done to external storage devices inorder for me to use them Mac OSX.
Kindly enlighten me and help overcome this issue.
Thank You

Thank You OGELTHORPE.
I erased the memory stick and formatted to "Mac OS Extended(Journaled)".
I attempted once again to use the "sudo dd" command from termial trying to copy the Ubuntu image file to the memory stick.
The operation termainates with the same message
      "the disk you inserted was not readable by this computer"
The termainal message says some bytes got transffered in so many seconds. It looks like this operation is being terminated in the middle.
Have any suggestions and work arounds?

My Sandisk cruzer thumb drive 4.0GB (which is very old, roughly 10 years and I'm not sure about the model) reads "The disk you inserted was not readable by this computer" when inserted in my Macbook pro 2010. How do I get it to work?

My Macbook Pro 2010 with the latest OS does not open a particular Sandisk Cruzer 4.0GB (which is an old model, about 10 years) thumbdrive with the message "The disk you inserted was not readable by this computer". Will I be able to read it on my macbook?

Is it readable in a Windows computer? If not then you can try Disk Utility to repair the drive-- although that may be dangerous too.
I haven't had this problem so I out of safe ideas. There are ustilies out there. I used the seach term "repair flash drive Mac OS X" to locate some of these.
If the data is essential there are pay-for services to recover data looked the price was in the range $50 - $1000
All the best.

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.

"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

Why does it say \'The disk you inserted was not readable by this computer\'

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