Also meant to ask what sound do you have selected for 'New messages sound' in 
Mail > Preferences > General?

On 12/10/2012, at 1:00 PM, Ronni Brown <ro...@mac.com> wrote:

> In System Preferences > Sound - Sound Effects, do you have 'Glass' selected 
> as an alert sound?
> 
> Or is it a beep, beep, beep sound?
> 
> Cheers,
> Ronni
> 
> On 12/10/2012, at 12:31 PM, Alan Smith <sma...@iinet.net.au> wrote:
> 
>> Several times this morning I heard an unknown alert beep at irregular 
>> intervals.  Possibly "glass" tone.  No physical info window with messages 
>> appeared.
>> 
>> Computer has been running with System Preferences > Energy Saver > 'Computer 
>> Sleep Never' since about 9pm last night.  I 'Shut Down' the computer  around 
>> 10.30am in case it was an overheating problem.   Didn't think to check the 
>> Dashboard ProStat Widget until later.   Fan noise remained unaltered 
>> throughout, but not fast or loud.   Restarted computer after 30 minutes, 
>> reset Energy Saver preferences to Default (Computer Sleep after 10 minutes) 
>> but then got another beep about 15 minutes later.   Been quiet for about an 
>> hour since.
>> 
>> How do I determine what app may have generated the sound?  The only 
>> foreground "on" apps have been Finder, Mail, Safari, EyeTV and Console.   
>> The only references to alert sounds that seemed anyway relevant in "Help" 
>> refer to the startup sequence.
>> 
>> What was it?  Do I ignore it, worry about it, or check my insurance and make 
>> a booking with the repair shop?
>> 
>> Regards, Alan
>> 
>> Alan Smith
>> Late 2009 iMac 21.5" Intel Core 2 Duo 3.06GHz 12G RAM - OSX 10.8.2
>> iPad2; ATV2
>> 

-- 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>