Ok, thanks Ronni, stand by for further response.

Regards

Pete

On 18/01/2013, at 9:38 AM, Ronda Brown <[email protected]> wrote:

> Ok Severin thanks.
> Peter, you need to hold the "C" key down until the computer boots into 
> DiskWarrior.
> Note: this may take a long time over 10 Mins. 
> 
> If you still can't boot from the DW disc try holding down the Option key.
> 
> Hold the option key down until you see the boot menu. 
> The boot process should happen almost immediately. 
> When this boots, wait for the spinning wheel to stop spinning, then select 
> the CD drive title ("DiskWarriorCD") and then click the right arrow ("->") to 
> continue loading the CD.
> 
> Note: this option will be faster to boot, but takes longer once the CD is 
> chosen from the menu.
> In addition to the option key being the faster boot process, it also allows 
> you to see fairly immediately whether the computer's hard drive (usually 
> named "Macintosh HD") is viewable.
> 
> Cheers,
> Ronni
> 
> Sent from Ronni's iPad4
> 
> On 18/01/2013, at 9:22 AM, Severin Crisp <[email protected]> wrote:
> 
>> I sent two disks, one was 4.1 specifically for Leopard and one was 4.2 
>> specifically for Snow Leopard.  
>> Severin Crisp
>> 
>> On 18/01/2013, at 9:15 AM, Ronda Brown <[email protected]> wrote:
>> 
>>> Hi Peter,
>>> 
>>> I believe that DiskWarrior 4.2 is for Snow Leopard.
>>> You will need DiskWarrior 4.1 for Leopard.
>>> 
>>> Sent from Ronni's iPad4
>>> 
>>> On 18/01/2013, at 9:01 AM, Peter Crisp <[email protected]> wrote:
>>> 
>>>> Ok, so my Dad kindly sent me Disc Warrior (for Leopard and Snow Leopard) 
>>>> and I put it in and did a restart whilst holding "c". The DVD drive spun 
>>>> indicating it was booting from the DW disc. I left it all night last night 
>>>> and this morning still grey screen but with Apple icon and the spinning 
>>>> spinner thing.
>>>> 
>>>> I will eject this disc and try with the OS disc to see if that gets 
>>>> anywhere.
>>>> 
>>>> I think it's cactus.
>>>> 
>>>> Regards
>>>> 
>>>> Pete
>>>> 
>>>> On 13/01/2013, at 4:26 PM, Ronni Brown <[email protected]> wrote:
>>>> 
>>>>> Hi Peter & Susan,
>>>>> 
>>>>> I'm having a break from WAMUG.... but in this instance... I felt I should 
>>>>> contribute.
>>>>> 
>>>>> On startup a Circle/Slash (Prohibitory Sign) means your Mac can’t find a 
>>>>> valid Startup Disk.  
>>>>> 
>>>>> This can indicate a corrupt installation of Mac OS X or a failed (or 
>>>>> failing) hard drive.
>>>>> 
>>>>> A pass through the excellent DiskWarrior utility is highly recommended 
>>>>> for any disk-related startup problems.                                    
>>>>>      You can also try Apple Disk Utility (booted from the installation 
>>>>> disc as Susan has already mentioned), or another third-party utility like 
>>>>> TechTool Pro or Drive Genius to try to repair the disk.
>>>>> 
>>>>> If the drive is OK after repairs but the Mac still won’t boot, do an 
>>>>> Archive & Install of Mac OS X (Snow Leopard) to replace the operating 
>>>>> system. 
>>>>> 
>>>>> If Mountain Lion:  Reinstall Mountain Lion
>>>>> 
>>>>> Restart your Mac holding the cmd+r keys.
>>>>> 
>>>>> When Mountain Lion installs it creates a special small, hidden Recovery 
>>>>> Volume on your hard drive.                                                
>>>>>       Booting cmd-r will boot your Mac into that Recovery Volume.
>>>>> <http://www.apple.com/osx/recovery/>
>>>>> 
>>>>> The screen should give you these choices...
>>>>> 
>>>>> Restore from TM backup
>>>>> Reinstall Mac OS X
>>>>> Get help online
>>>>> Disk Utility
>>>>> 
>>>>> Choose Reinstall OS X. This will be an install in place and won't affect 
>>>>> any of your own data.
>>>>> 
>>>>> Cheers,
>>>>> Ronni back to her break from WAMUG
>>>>> 
>>>>> On 13/01/2013, at 4:04 PM, Susan Hastings <[email protected]> wrote:
>>>>> 
>>>>>> Hi Peter, I did a quick google and found this question and answer which 
>>>>>> solved someone's problem. If your son has the original install disk he 
>>>>>> should boot up in from the install disk, by holding down "c" when 
>>>>>> starting up. He can then run disk utility on his hard drive to check for 
>>>>>> problems as a first step. Also, we need to know which operating system 
>>>>>> he is running.
>>>>>> 
>>>>>> http://www.mac-forums.com/forums/os-x-operating-system/271143-macbook-pro-wont-boot-up-no-recovery-disk.html
>>>>>> Regards, Susan
>>>>>> Sent from my iPad
>>>>>> 
>>>>>> On 13/01/2013, at 12:59 PM, Peter Crisp <[email protected]> 
>>>>>> wrote:
>>>>>> 
>>>>>>> My 12 yo's MacBook has refused to boot up after shutting down in the 
>>>>>>> normal way a few nights ago.
>>>>>>> 
>>>>>>> I am remote so trying to resolve this remotely from him is a bit 
>>>>>>> challenging. 
>>>>>>> 
>>>>>>> I did a quick google and it suggested to try boot up in Safe mode. 
>>>>>>> 
>>>>>>> He tried this but screen stays on the grey screen with a circle with a 
>>>>>>> diagonal slash through it the whole time. I left overnight thinking it 
>>>>>>> might be processing but to no avail.
>>>>>>> 
>>>>>>> Are there a series of steps to go through to maybe work this out?
>>>>>>> 
>>>>>>> We have full backup on Time Capsule to restore content if it turns ugly.
>>>>>>> 
>>>>>>> Any tips appreciated.
>>>>>>> 
>>>>>>> Regards
>>>>>>> 
>>>>>>> Pete
>>>>> 
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>> 
>> ____________________________________________________
>> 
>>           Assoc Prof R Severin Crisp, FAIP, FIP, CPhys
>> 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia
>>                ph (08) 9842 1950 ( Int'l +61 8 9842 1950)
>>                         mail to: [email protected]
>> ____________________________________________________
>> 
>> 
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