When booting, a noise of about 15 decibels continues and the volume knob setting value moves.

Support
1

CorOS version: 1.x

**Describe your problem:

** Since 2-3 days ago, there has been a huge noise coming out after booting. Also, I performed once on a rainy day, and the volume knob settings have changed frequently since then.

**Steps to reproduce the issue:

** 1. Start booting

  1. Check input 1 and 2 levels

  2. The noise continues to howl.

  3. For volume knob problems, move the knob.

**I expected this to happen:

** When I boot it up, it makes a howling noise.

Move the volume knob problem Try moving the volume knob

**I tried things like:

  1. I unplugged the power cord and plugged it back in.

  2. Rebooted the device

2

I would definitely recommend to update your QC to the most current CoreOS version to start (2.3.1).