# USB Connection is very mystery!

**URL:** <https://forum.sovol3d.com/t/usb-connection-is-very-mystery/3008>\
**Category:** Sovol SV04 IDEX\
**Created:** [July 2, 2023, 8:32pm UTC](https://forum.sovol3d.com/t/usb-connection-is-very-mystery/3008 "2023-07-02T20:32:46Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![GAD\_3dP](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.sovol3d.com/gad_3dp/32/1271_2.png) [@GAD\_3dP](https://forum.sovol3d.com/u/GAD_3dP)\
**Post date:** [July 2, 2023, 8:32pm UTC](https://forum.sovol3d.com/t/usb-connection-is-very-mystery/3008/1 "2023-07-02T20:32:46Z")

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I can´t get a USB connection with sv04 and sovol cura 1.5.7 or ultimaker cura 4.1.0 on a Windows 7 PC. but i get a USB-connection in chrome g-code sender and in Printrun 2.0.1 so the driver looks ok. i also tried with windows 11 laptop, exactly the same result. do anyone have a idea for this problem?  
regards Gerald

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**Author:** ![mich0111](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.sovol3d.com/mich0111/32/1176_2.png) [@mich0111](https://forum.sovol3d.com/u/mich0111)\
**Post date:** [July 3, 2023, 9:10am UTC](https://forum.sovol3d.com/t/usb-connection-is-very-mystery/3008/2 "2023-07-03T09:10:11Z")

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USB 2 or 3 ?  
What’s about the cable ?

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<div class="post-metadata">

**Author:** ![GAD\_3dP](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.sovol3d.com/gad_3dp/32/1271_2.png) [@GAD\_3dP](https://forum.sovol3d.com/u/GAD_3dP)\
**Post date:** [July 3, 2023, 6:52pm UTC](https://forum.sovol3d.com/t/usb-connection-is-very-mystery/3008/3 "2023-07-03T18:52:46Z")

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Thats not the problem, i can also use Repetier-Server and Host connected via USB and it´s working. it is strange with Ultimaker Cura, i installed the ver. 4.1.0 for win7 and NO connection.  
I change my workflow with Repetier-Server and i hope it will worl well for me.