On 28 Jul 2014, at 5:34 pm, Jon Davison <jondcamera...@me.com> wrote:
> Thanks Ronnie, I have done this to the letter, and tried to erase the boot > drive but failed, saying it 'cannot unmount the disk', so not sure now what > to do? Are you sure you are selecting the 'entire internal drive' The top Drive with the Manufacturers name etc.not the partition volume, something like: 750.16GB TOSHIBA MK... > Thanks > John > > >> Erasing the boot drive: >> >> With all other drives disconnected your ready to erase 10.7/10.8 completely >> off your boot drive, and you do need to erase the ENTIRE drive. >> >> 1. Hold c (or option key) boot off the 10.6 installer disk and under the >> Utilities menu is Disk Utility. >> >> 2. Select the entire internal boot drive on the far left, it will have the >> drive makers name and size. >> >> Note: Do not select the indented names, those are just partitions on the >> drive, you need to erase the entire drive to catch hidden 10.7/10.8/10.9 >> partitions and rebuild the partition map back to 10.6 version. >> >> 3. Click Erase > Security option > Zero All Data (will map off any failing >> sectors) go watch a movie, it takes a bit and improves your hard drives >> reliability and read speeds. (SSD no need zero, just erase). >> >> 4. Check under Partition: Options that you have a GUID and Format: OS X >> Extended Journaled, if not change it to those and apply. >> >> 5. Quit Disk Utility. You will be back into the 10.6 installer. >> >> You have erased the internal drive via the 10.6 disk and need to install >> fresh. >> >> Quit Disk Utility and install 10.6. from the installer disk. >> >> 6. Reboot, setup and use the same user name as on the 10.7/10.8/10.9 boot >> drive. You wrote that down I hope, right? >> >> 7. Use Software Update to get up to 10.6.8 fully. Better still Go here and >> download the Combo Update: >> Snow Leopard 10.6.8: <http://support.apple.com/kb/DL1399> >> >> 8. Repair Permissions >> This is very important to do or you'll have problems later. >> >> Install all programs from fresh sources and compatible with 10.6.8 >> >> Cheers, >> Ronni >> >> On 28 Jul 2014, at 4:18 pm, Jon Davison <jondcamera...@me.com> wrote: >> >>> Sorry for the confusion Ronnie. It's an older iMac that was only used for >>> my Photoshop classes, so I was not bothered if Mavericks was deleted, even >>> though it was on there. So I erased the disk in the hopes of trying to >>> salvage the machine and just wanted to reinstall Snow Leopard back on to >>> it, but it still will not allow me to install. >>> >>> So that's where I am at. >>> >>> Thanks for your help, sorry to interrupt your day. >>> >>> Kind regards >>> John >>> >>> On 28/07/2014, at 3:46 PM, Ronda Brown <ro...@mac.com> wrote: >>> >>>> John you mentioned in your first post to the list that this is a >>>>> 27"iMac/2012/10.9.2/3.2GHz/8GB RAM. >>>> >>>> >>>> You can't install Snow Leopard on this iMac that is Running Mavericks OS X >>>> 10.9.2!!! >>>> >>>> I'm working on clients work and trying to assist you when I am able to. >>>> I'll get back to you when possible. >>>> >>>> Sent from Ronni's iPad4 >>>> >>>> On 28 Jul 2014, at 3:07 pm, Jon Davison <jondcamera...@me.com> wrote: >>>> >>>>> Further to my last posting. I tried to reinstall the OS from my Snow >>>>> Leopard disk but when it came to selecting the actual volume to install >>>>> it on, it says >>>>> 'Mac OS X cannot start up from this disk'. There is only one volume on >>>>> the iMac, so not sure what this means. The instal screen is fine. >>>>> >>>>> Thanks >>>>> Jon >>>>> >>>>> >>>>> >>>>> On 28/07/2014, at 1:44 PM, Jon Davison <jondcamera...@me.com> wrote: >>>>> >>>>>> Thanks Ronni, I don't really understand this too well, but I have >>>>>> rebooted in Safe Mode but the problem still persists. >>>>>> >>>>>> Next I rebooted in Verbose Mode. Bottom line read; >>>>>> Removed one orphaned / unlinked files and 3689 directories. >>>>>> Then it went black as above. >>>>>> >>>>>> So I then rebooted in Single User Mode and the bottom line reads; >>>>>> >>>>>> Root device is mounted read-only >>>>>> If you want o make modifications etc……then as you say 'fsck and sbin'. >>>>>> >>>>>> I don't know what you mean by - 'allows you to move suspicious files to >>>>>> a quarantine folder' how do I do that, and what am I looking for?' >>>>>> >>>>>> Sorry, this is beyond me. >>>>>> >>>>>> Kind regards >>>>>> Jon >>>>>> >>>>>> >>>>>> On 28/07/2014, at 12:27 PM, Ronni Brown <ro...@mac.com> wrote: >>>>>> >>>>>>> Hi Jon, >>>>>>> >>>>>>> The iMac has got through 3 stages of the OS X system initialization to >>>>>>> Stage 4 which is System Launchd >>>>>>> >>>>>>> Issues at this stage are indicated by an inability to reach the login >>>>>>> screen or log in a user (evidence of a failure by the system launchd >>>>>>> process). If the system launchd process is not able to complete the >>>>>>> system initialization, the loginwindow process does not start. Your Mac >>>>>>> will be either stuck with a black screen or a white screen, depending >>>>>>> on how far the system launchd got. >>>>>>> >>>>>>> I think I have given you these instructions with your previous iMac >>>>>>> problems, - here they are again for you: >>>>>>> To troubleshoot system launchd issues: >>>>>>> >>>>>>> 1. Start up the Mac while holding down the Shift key to initiate a >>>>>>> Safe Boot. >>>>>>> This forces the system launchd process to ignore all third-party fonts, >>>>>>> launch daemons, and startup items. If successful, the system launchd >>>>>>> process starts the loginwindow. At this point the Mac system has fully >>>>>>> started up and is now running in Safe Mode. >>>>>>> >>>>>>> Completing the system initialization process via Safe Boot indicates >>>>>>> the issue may be a third-party system initialization item, and you >>>>>>> should start up in Verbose mode to try to identify the problematic item. >>>>>>> >>>>>>> 2. Start up the Mac while holding down Command-V to initiate Verbose >>>>>>> mode. Again, if the text stops scrolling down the screen, examine the >>>>>>> end of the text for trouble- shooting clues; if you find a suspicious >>>>>>> item, move it to another folder and then restart the Mac normally. >>>>>>> >>>>>>> * At this point you may be able to successfully Safe Boot into the >>>>>>> Finder. If so, use the Finder interface to quarantine suspicious items. >>>>>>> >>>>>>> 3. If Safe Boot continues to fail or you have located a suspicious >>>>>>> system item you need to remove, start up the Mac while holding >>>>>>> Command-S to initiate single-user mode. You’ll see a minimal >>>>>>> command-line interface that allows you to move suspicious files to a >>>>>>> quarantine folder. If you want to modify files and folders in >>>>>>> single-user mode, you have to prepare the system volume. >>>>>>> Start by entering /sbin/fsck -fy to verify and repair the startup >>>>>>> volume. Repeat this command until you see a message stating that the >>>>>>> disk appears to be OK. >>>>>>> Only then should you enter /sbin/mount -uw / to mount the startup >>>>>>> volume as a read-and-write file system. >>>>>>> Once you have made your changes, you can exit single-user mode and >>>>>>> continue to start up the system by entering the exit command, or you >>>>>>> can shut down the Mac by entering the shutdown -h now command. >>>>>>> >>>>>>> Cheers, >>>>>>> Ronni >>>>>>> >>>>>>> 17" MacBook Pro 2.3GHz Quad-Core i7 “Thunderbolt" >>>>>>> 2.3GHz / 8GB / 750GB @ 7200rpm HD >>>>>>> >>>>>>> OS X 10.9.4 Mavericks >>>>>>> Windows 7 Ultimate (under sufferance) >>>>>>> >>>>>>> On 28 Jul 2014, at 10:40 am, Jon Davison <jondcamera...@me.com> wrote: >>>>>>> >>>>>>>> Further to my previous posting. >>>>>>>> >>>>>>>> I tried starting it in Target Mode from my other iMac and the icon >>>>>>>> appears on the desktop, but is displayed as a normal iMac icon, not as >>>>>>>> the >>>>>>>> orange Target Mode icon? I ran Disk Utilities and verified it okay, >>>>>>>> but cannot repair it as it says the disk cannot be unmounted? >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Hi everyone. Another iMac problem! >>>>>>>> >>>>>>>> This one starts okay with the grey screen and Apple icon, then goes >>>>>>>> black. The cursor is still visible and can move on screen. If I hit >>>>>>>> any key I >>>>>>>> get the 'boing boing' sound, as if it's saying 'wrong input' etc. >>>>>>>> Startup does not go past this stage. Any idea what this may be? >>>>>>>> 27"iMac/2012/10.9.2/3.2GHz/8GB RAM. >>>>>>>> >>>>>>>> Kind regards >>>>>>>> John >>>>>>>> >>>>>>>> John W Davison >>>>>>>> Photographer/Art Director >>>>>>>> Eye in the Sky Productions >>>>>>>> 'The Corner Studio' >>>>>>>> The Tresillian Centre >>>>>>>> 21 Tyrell St >>>>>>>> Nedlands >>>>>>>> Western Australia >>>>>>>> m: 0403 235938 >>>>>>>> e: j...@eyeinthesky.com.au >>>>>>>> Facebook: jondcameraman >>>>>>>> w: www.eyeinthesky.com.au >>>>>>>> w: www.tresillianartists.org >>>>>>>> Member: ISAP >>>>>>>> (International Society for Aviation Photographers)
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