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Author Topic: I applied a security upgrade today on my iMac and got a noise  (Read 1189 times)

Offline Gary S

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I applied a security upgrade today on my iMac and got a noise
« on: June 12, 2018, 05:31:42 PM »
I'm running 10.11.6 and applied a Security update today. After the iMac shut down and was restarting a loud noise, like a beep, that lasted a couple of seconds
came out of the speakers. Then it took a while to boot up, which it finally did. Anyone know what that extemporaneous sound is?

BTW, I like the new boards.   :clap:
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Gary S

Offline gunug

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Re: I applied a security upgrade today on my iMac and got a noise
« Reply #1 on: June 12, 2018, 05:50:58 PM »
That's fairly normal to have the beep, usually in conjunction with a bar filling across the screen!
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"If there really is no beer in heaven then maybe at least the
computers will work all of the time!"

Offline Gary S

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Re: I applied a security upgrade today on my iMac and got a noise
« Reply #2 on: June 12, 2018, 06:11:19 PM »
Thanks gunug, I don't remember it sounding off like that before. It was like a horn or something. It woke me up though.
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Gary S

Online jchuzi

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Re: I applied a security upgrade today on my iMac and got a noise
« Reply #3 on: June 12, 2018, 06:45:04 PM »
It is normal that it takes longer to boot up after a security update or OS update. Subsequent boots should be as usual.
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Jon

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Offline Paddy

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Re: I applied a security upgrade today on my iMac and got a noise
« Reply #4 on: June 12, 2018, 08:28:00 PM »
Likely a boot ROM update. No worries - a bit startling, is all.

https://discussions.apple.com/thread/7301065
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"If computers get too powerful, we can organize them into committees. That'll do them in." ~Author unknown •iMac 5K, 27" 3.6Ghz i9 (2019) • 16" M1 MBP(2021) • 9.7" iPad Pro • iPhone 13

Offline kimmer

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Re: I applied a security upgrade today on my iMac and got a noise
« Reply #5 on: June 12, 2018, 09:07:29 PM »
I've heard it a few times, and it sure is startling. Didn't hear it the next time I rebooted. Like Paddy said, no worries. Glad you like the new boards. :)
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