QingSui - KVM

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Frequently Asked Questions (FAQ) ​

This page summarizes common issues and solutions when using QingSui Box.

🖥️ KVM Interface Display Issues ​

Q1: No Display in KVM Interface? ​

Depending on different display situations, causes and solutions are as follows:

Situation 1: Black Screen ​

Black Screen Display

Cause: Issue with the controlled device itself.

Solution:

  1. Check if the controlled device is powered on
  2. Check if the controlled device is faulty
  3. Try connecting a monitor directly to test device output
  4. Check the controlled device's power indicator status

Situation 2: Colored Stripes Display ​

Colored Stripes Display

Cause: QingSuiBox is not capturing the controlled device's display.

Solution:

  1. Check the HDMI cable connection between QingSuiBox and controlled machine
  2. Confirm both ends of HDMI cable are plugged in securely
  3. If possible, try replacing with another HDMI cable
  4. Check if the controlled device's HDMI output port is working properly

Situation 3: NO SIGNAL Display ​

NO SIGNAL Display

Cause: Possible internal capture card failure.

Solution:

  • ⚠️ Please contact our after-sales service
  • 📞 Provide device SN code and fault screenshot

🖱️ Keyboard & Mouse Control Issues ​

Q2: Keyboard & Mouse Not Responding? ​

Solution:

  • Confirm USB data cable is connected to an available port on controlled device
  • Re-plug USB connection if necessary
  • Check if controlled device recognizes the USB device

🌐 Network Connection Issues ​

Q3: Remote Access Lagging? ​

Solution:

  • Prioritize wired network connection
  • Lower quality settings
  • Check network bandwidth and jitter
  • Ensure router performance is good

Q4: Cannot Bind Device? ​

Solution:

  • Confirm control device and QingSuiBox are on the same network
  • Check cloud login status
  • Reset pairing code and retry
  • Ensure device is not bound by another user

💿 System Installation Issues ​

Q5: Restart Enters Installation Interface Again After Installation? ​

Cause: Did not disconnect MSD virtual CD connection.

Solution:

  • Enter KVM interface
  • Open drive panel
  • Click "Disconnect" button
  • Restart device

Q6: PCDN System Installation Failed? ​

Cause: Used UEFI boot mode.

Solution:

  • Enter BIOS settings
  • Find Boot options
  • Change Boot Mode to Legacy (Legacy Boot)
  • Save and reinstall

Q7: What is the SSH username and password for QingSuiBox? ​

For security considerations, SSH credentials are not provided at this time.

  • QingSuiBox device has been security hardened
  • SSH remote login is disabled by default
  • All operations can be completed through the Web control panel
  • For special requirements, please contact technical support

💰 About Pricing ​

Q8: Are the tunnel service and CDN download features charged? ​

Completely free, forever!

Tunnel Service:

  • QingSuiBox devices purchased through official channels
  • Tunnel service is permanently free
  • No additional fees, ready to use out of the box

CDN Download:

  • CDN download source servers are sponsored by our sponsors
  • Currently no fees are charged to users
  • Enjoy nationwide node acceleration service

💡 Note: We are committed to providing high-quality free services to users. Thanks to our sponsors for their strong support!

📞 Contact Us ​

If the above methods cannot solve your problem, please contact our technical support:

Please prepare the following information for quick processing:

  • Device SN code
  • Problem description and screenshots
  • Usage environment (controlled device model, network conditions, etc.)