On 07/07/2012, at 1:05 PM, pat wrote:

> My Mac is sick again. Hope someone can help.
> 
> The patient: Mac Pro, 4 years old (the first 64 bit model), 3 hard  
> disks, 16 GB RAM, OS 10.6.8.
> 
> The symptoms: It was working OK last night when I closed it down.  
> This morning, when booted, the Finder repeatedly quits every few  
> seconds (very obvious because the screensaver keeps changing). Up in  
> the top left-hand corner some of the usual icons on the Finder menu  
> bar are semi-visible but non-functional. Otherwise, a blank screen.
> 
> What I have done so far:
> 1.  Rebuilt the directories with DiskWarrior. Problem not fixed.
> 
> 2. Ran TechTool Deluxe. No change.
> 
> 3. Put the Snow Leopard disk in and verified and repaired all 3  
> disks, repaired permissions. Disk Utility says all the disks appear  
> to be OK.  Problem still exists.
> 
> I can't think of anything else to do other than ask for advice.  Will  
> be most grateful.
> 

Please disregard my reply. I hadn't realised your query had already been 
answered. It showed up in a separate thread...  

Peter Hinchliffe        Apwin Computer Services
FileMaker Pro Solutions Developer
Perth, Western Australia
Phone (618) 9332 6482    Mob 0403 046 948
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Mac because I prefer it -- Windows because I have to.

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