Hi Ronni

Absence of the startup chime is intermittent.  Chime worked OK when I restarted 
Mac to confirm I still had access to the Recovery Disk and then again to check 
WiFi signal strength.  System sound settings are all normal.  Perhaps a 
reinstalled OS X will clear it up.

Cheers
Alan


On 24 Nov 2014, at 7:44 pm, Ronda Brown <[email protected]> wrote:

> Hi Alan,
>> On 24 Nov 2014, at 4:35 pm, Alan Smith <[email protected]> wrote:
>> 
>> iMac subsequently started up OK.  Some “irregularities” noted for future 
>> investigation, including no startup Chime;
> 
> Check your System Sound is not 'Muted' or turned down too low
> System Preferences > Sound - Output
> Output volume: Check that 'Mute' is not ticked.
> 
> Cheers,
> Ronni
> 
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