Hi Stephen,

Mac models from early 2016 and earlier make a chime sound when they start up. 
Mac models from late 2016 and later don't have a startup chime.*

Cheers,
Ronni 
Sent from Ronni's iPhone 7 Plus

> On 26 Sep 2017, at 2:52 pm, Stephen Chape <chap...@bigpond.com> wrote:
> 
> Hi folks.
> 
> I am not sure if this is just my new iMac or all new iMacs ?
> But this one has no startup chime.
> 
> After the last couple of decades of chimes, this takes some getting used to !
> 
> But I quite like the silence !
> 
> Regards,
> Stephen Chape
> 
> 
> 
> 
> 
> 
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