Thank you Neil. I will be visiting someone tomorrow who has a Mac using Mountain Lion. So intend to take the drive with me.
> On 7 May 2016, at 7:16 PM, Neil Houghton <n...@possumology.com> wrote: > > Hi Stephen, Hi Ronni, > > Given your situation Stephen – 2 different discs, 2 different computers but a > common factor is upgrade to El Capitan, which is known to have some issues > with external drives – then I would be considering/hoping that there might > not be any actual problem with the Iomega drive(s) (other than the > incompatibility with El Capitan). I am a little unclear on whether you have > actually already tried repairing or reformatting the drive(s) in Disk Utility > – hopefully not – in which case the data MAY still be fine on the drive(s)? > > > As Ronni says, >> Do not attempt any more repairs on the drive if you intend to use data >> recovery software for fear of overwriting data or causing more damage. > > However, before resorting to the data recovery software, I would suggest > trying the drive(s) on an earlier OSX machine (ie Yosemite or earlier) - > based on anecdotal evidence, some drives which fail to show up on El Capitan > are still working and readable on Yosemite – this would let you back-up the > problem drive(s) and then be free to try other remedies on the drive(s) > without the worry of subsequent data corruption. > > Basically, I would treat the situation as two different problems and address > them separately. > > Can I recover the existing data from the drive(s) and, as an interim measure, > back it up elsewhere. > Can I make the drives useable reliably with the El Capitan machine(s). > > > To address (1) I would suggest trying a Yosemite machine, as I mentioned > above. If that does not work then I suspect you may need to resort to Data > Recovery Software. > > To address (2) I would first suggest attaching an external usb power supply, > as discussed in my previous email, since this is a very simple thing to try > and should easily confirm whether this is the root of your problem. > Otherwise, as I mentioned, there are various “solutions” suggested which may > or may not work. > > > Just my thoughts. > > > Cheers > > > > > Neil > -- > Neil R. Houghton > Albany, Western Australia > Tel: +61 8 9841 6063 > Email: n...@possumology.com > > > > > > > > on 7/5/16 14:08, Ronni Brown at ro...@mac.com wrote: > >> Hi Stephen, >> >> It was a long shot, I didn’t really think it would be the cause of the >> problem. >> Do not attempt any more repairs on the drive if you intend to use data >> recovery software for fear of overwriting data or causing more damage. >> >> I have Prosoft Data Rescue 4.app version 4.2.1 and its USB Thumbdrive >> BootWell™ >> Powerful New Feature in Data Rescue Mac >> <https://www.prosofteng.com/datarescue-mac-data-recovery/> >> >> As Neil has mentioned a lot of people are having issues with external drives >> after upgrading to El Capitan. >> >> Cheers, >> Ronni >> >> 13-inch MacBook Air (April 2014) >> 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz >> 8GB 1600MHz LPDDR3 SDRAM >> 512GB PCIe-based Flash Storage >> >> El Capitan OS X 10.11.4 >> >> >>> On 7 May 2016, at 10:03 AM, Stephen Chape <chap...@bigpond.com> wrote: >>> >>> Hi Ronni, >>> We are certain that this is not the case because both are failing to mount. >>> And neither were encrypting at the time of the Dubai El Capitan update. >>> In fact one was in my safe in Perth. >>> Any combination of either HD >>> Circumstances point to an issue with these Iomega drives resulting from the >>> El Capitan update. >>> They are both the same brand & type. >>> >>> The only place we can see the drive is in Disk Utility but every option in >>> DU fails. >>> >>> We are close to exhausting our options so the sledge hammer may be our last. >>> >>> >>> >>>> On 6 May 2016, at 4:51 PM, Ronda Brown <ro...@mac.com> wrote: >>>> >>>> Hi Stephen, >>>> >>>> Just a thought... " >>>> "The disk you inserted was not readable by this computer." >>>> I read somewhere about this happening to a guy and he finally worked out >>>> while it happened and was able to correct it. I kept a note about it... >>>> The solution to this person's encrypted drive not readable in El Capitan >>>> was: >>>> >>>> /Begin Quote: >>>> "I just figured my issue out, my 5TB drive was in process of being >>>> encrypted when I updated to El Capitan, and that was the reason why I >>>> couldn't use it. >>>> I plugged it into my mac running older version of OS and allowed it to >>>> finish the encryption. Once that was done I was able to use the drive on >>>> El Capitan" >>>> /End Quote: >>>> >>>> Cheers, >>>> Ronni >>>> Sent from Ronni's iPad4 >>>> >>>> >>>> On 6 May 2016, at 3:52 PM, Stephen Chape <chap...@bigpond.com> wrote: >>>> >>>>> Hi Peter and thank you. >>>>> He needs to encrypt the HD’s because he is an Emirates Captain and >>>>> sometimes carries one of them with him to different countries around the >>>>> world. The HD also carries some data that may be privy only to Senior >>>>> Emirates Staff. That is apparently the reason for the encryption. >>>>> >>>>> With regard to the issue at hand. >>>>> We both thought that Drive #1 (the one he brought over from Dubai) had >>>>> died. >>>>> Because when he brought it to Perth and I plugged it into my iMac we got >>>>> the same result as on his iMac. >>>>> So we have the same issue on the same drive but on 2 different iMacs. >>>>> >>>>> Then he took Drive #2 back to Dubai and when he plugged it into his iMac >>>>> got the same result. >>>>> So now we have 2 different drives with the same issue on the same iMac >>>>> (his iMac). >>>>> >>>>> My iMac has had El Capitan installed since a few days after that OSX >>>>> release. >>>>> But this is the first time I have plugged one of these drives into it >>>>> since then. >>>>> >>>>> His iMac had El Capitan installed last week and this is the first time he >>>>> has plugged in both drives since the OSX update. >>>>> So now the common factor seems to be El Capitan. >>>>> >>>>> >>>>> >>>>> >>>>>> On 6 May 2016, at 7:45 AM, Peter Hinchliffe <hinch...@multiline.com.au> >>>>>> wrote: >>>>>> >>>>>> >>>>>>> On 5 May 2016, at 10:37 AM, Stephen Chape <chap...@bigpond.com> wrote: >>>>>>> >>>>>>> Hi folks, >>>>>>> >>>>>>> My step son lives in Dubai and each time he visits he brings his HD for >>>>>>> me to swap with the one in my safe. >>>>>>> It contains an encrypted SuperDuper backup. >>>>>>> He has two of these and swaps them over on each visit. >>>>>>> >>>>>>> A few days ago he brought it over as usual, but told me it seemed to >>>>>>> have died because was giving this message: >>>>>>> >>>>>>> The disk you inserted was not readable by this computer >>>>>>> Options given were: Initialise, Ignore or Eject. >>>>>>> >>>>>>> When I plugged into my iMac the same message appeared, so we thought >>>>>>> this was confirmation of death. >>>>>>> >>>>>>> However he has just returned to Dubai and got the same message with the >>>>>>> alternate HD he took back with him. >>>>>>> He tells me he has spoken to Iomega support but they were unable to >>>>>>> help in any way. >>>>>>> Interestingly he upgraded his iMac to El Capitan last week and I also >>>>>>> run El Capitan on my iMac. >>>>>>> >>>>>>> Any suggestions would be of great assistance please ? >>>>>>> >>>>>>> PS: Lucky I did not take the hammer to the HD he left with me as he had >>>>>>> suggested ! >>>>>>> >>>>>>> Regards, >>>>>>> Stephen Chape >>>>>>> >>>>>> >>>>>> You probably won’t sort this out unless you invest in some serious HD >>>>>> utility software. Drive Genius, Techtool Pro or Data Rescue (to recover >>>>>> the data, not to repair the drive) come to mind immediately, but even >>>>>> then there’s no guarantee that they can fix whatever the problem is. The >>>>>> fact that the backup is encrypted is a real worry, and one that no HD >>>>>> Utility will overcome if the encryption key has become corrupted. >>>>>> >>>>>> The problem could also lie with the decryption software on your >>>>>> computer. If you cant recover that key you might as well just reformat >>>>>> the disks. Just establish that his computer can read the disks or not >>>>>> before tsking that drastic step. If it can, then problem is definitely >>>>>> with your computer. He’ll have find a way of making a copy of the disks. >>>>>> Just make sure the copies are not encrypted. Unless he’s protecting Fort >>>>>> Knox I can’t see a convincing reason for encrypting a back up drive, >>>>>> especially if he's going between computers. It certainly doesn’t protect >>>>>> the data itself: it just hides it from potential prying eyes. >>>>>> >>>>>> Peter Hinchliffe Apwin Computer Services >>>>>> FileMaker Pro Solutions Developer >>>>>> Perth, Western Australia >>>>>> Phone (618) 9332 6482 Mob 0403 046 948 >>>>>> -------------------------------------------------------------------- >>>>>> Mac because I prefer it -- Windows because I have to. >> > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Settings & Unsubscribe - > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> Regards, Stephen Chape
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