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does that sound happens if the TV is not connected?<br />
is there a program running at shutdown?<br />
do you have other devices connected? &nbsp;if so -disconnect them before shutdown to test
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Another thing... <br />
If you are running Ubuntu or Linux vs windows, Toshiba Sound contoller does not like linux and you might be hearing the up volume beep sticking on shutdown, which happens on most toshiba models..
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I have a Toshiba Satellite A505-6971 laptop running an external TV monitor using the HDMI port.<br />
<br />
The problem is sometimes during shutdown, a continuous alarm sounds. No error messages are involved either explicit or in the event viewer<br />
The Alarm never occurs at any other times.<br />
<br />
What could be the problems? What troubleshooting is needed?<br />
.
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I have a Toshiba Satellite A505-6971 laptop running an external TV monitor using the HDMI port.

The problem is sometimes during shutdown, a continuous alarm sounds. No error messages are involved either explicit or in the event viewer
The Alarm never occurs at any other times.

What could be the problems? What troubleshooting is needed?
.

Laptop power down alarm

A laptop or notebook is a portable personal computer with a clamshell form factor, suitable for mobile use. Although originally there was a distinction between laptops and notebooks, the former being bigger and heavier than the latter, there is often no longer any difference. Laptops are commonly used in a variety of settings, such as at work, in education, and for personal multimedia. A laptop combines the components, inputs, outputs and capabilities of a desktop computer, including the display screen, speakers, a keyboard, and pointing devices (such as a touchpad or trackpad) into a single unit. The device can be powered either from a rechargeable battery or by mains electricity from an AC adapter.