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Screeching tone from Mini-in-One Monitors

HP Recommended
HP Mini-in-One 24 Display
Microsoft Windows 10 (64-bit)



We have deployed over a hundred of Mini-in-Ones in our labs with HP Elitedesk 800 Mini's inside. Occasionally, when a computer wakes up, the speaker on the monitor makes a loud screeching noise. The only way to stop it is to unplug the monitor. After plugging it back in, the computer acts normally.

Troubleshooting steps:

We've checked power, removed surge protectors, checked firmware. Like I said in the description after unplugging and plugging back in, it doesn't happen again. The problem is that we cannot recreate the issue easily as we over a hundred of these and it seems to happen at random.


Has anyone else had an experience similar to this?

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