# HYZ100 power supply is connected with 6445G, why there is no display on the panel

**URL:** <https://forum.cloudray.com/t/hyz100-power-supply-is-connected-with-6445g-why-there-is-no-display-on-the-panel/278>\
**Category:** FAQ\
**Created:** [April 17, 2021, 1:18am UTC](https://forum.cloudray.com/t/hyz100-power-supply-is-connected-with-6445g-why-there-is-no-display-on-the-panel/278 "2021-04-17T01:18:38Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Technician](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.cloudray.com/technician/32/15_2.png) [@Technician](https://forum.cloudray.com/u/Technician)\
**Post date:** [April 17, 2021, 1:18am UTC](https://forum.cloudray.com/t/hyz100-power-supply-is-connected-with-6445g-why-there-is-no-display-on-the-panel/278/1 "2021-04-17T01:18:38Z")

</div>

![image](https://us1.discourse-cdn.com/flex020/uploads/cloudray/original/1X/4c73ba2ba7b31bc17e37165e51a4981ac1cfcc0b.png)

Solution:Turn on the setting in the production parameters.  
 ![image](https://us1.discourse-cdn.com/flex020/uploads/cloudray/original/1X/c58390468406ce7712eacaf6401aa8a7d04fd751.png)