# 6. MIDI Controller C1-xMP1 not detected (Controller not connected)

##### <span dir="ltr">Mac: </span>

<span dir="ltr">If the </span><span dir="ltr">C1-xMP1</span><span dir="ltr"> does **not** show up in the System Report &gt; USB, see [<u>**here**</u>](https://kb.mpmidi.com/books/mp-controller-documentation/page/1-mac-controller-not-connected-message)</span>

##### Windows:<span dir="ltr"> </span>

<span dir="ltr">If the C1-xMP1 does **not** show up in the Device Manager, s</span><span dir="ltr">ee <u>[**here**](https://kb.mpmidi.com/books/mp-controller-documentation/page/1-windows-controller-not-connected-message)</u></span>