<![CDATA[iFixit - Answers With Device "VTech Safe And Sound DM221"]]> https://www.ifixit.com/Answers/Device/VTech_Safe_And_Sound_DM221/Unanswered?rss=yes en-US Thu, 14 May 2026 07:38:47 -0700 <![CDATA[VTech Safe And Sound DM221: One monitor "not register" other is linked]]> We have one audio monitor that is linked and another on that says “not register”. The owners manual doesn’t mention how to handle this problem. We tried turning off and unplugging all of the devices. Does anyone know how to handle this? We bought it second hand.

⟐ Commented August 18, 2019 at 12:33 MST

]]> https://www.ifixit.com/Answers/View/585296/One+monitor+%22not+register%22+other+is+linked https://www.ifixit.com/Answers/View/585296 Sun, 18 Aug 2019 12:33:01 -0700 <![CDATA[VTech Safe And Sound DM221: Monitor Making High Pitched Sounds]]> Why is my monitor making high pitched sounds?

]]> https://www.ifixit.com/Answers/View/266362/Monitor+Making+High+Pitched+Sounds https://www.ifixit.com/Answers/View/266362 Tue, 27 Oct 2015 11:52:11 -0700