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Q: Does the x680 support audio?
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A: Yes. Refer to [[Enable pikvm hdmi audio]]</div>
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* Run the command <code>systemctl status kvmd-tc358743</code> to check whether the video service is working properly.
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[[File:IMG-2173-1.jpg|600px]]
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<span class="tb_red">Q: Why is the X680 not working?</span>
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A:
1. '''Firstly, must make sure the hardware expecially CM4 is connected correctly and securely.
* Check if the X680's onboard SYS-PWR, CM-PWR, CM-ACT LEDs are lit.
* If SYS-PWR LED is not lit, that means no power to X680; '''If the CM-PWR and CM-ACT LEDs are not lit, that means that the CM4 is not installed properly. Please recheck the CM4 installation, or check if the CM4 / X680 installation slot is damaged.(This is important! Many problems are caused by poor contact of CM4)'''
* If the X680's SYS-PWR, CM-PWR, CM-ACT LEDs are lit, then check the wiring connection.
Please refer to the following picture for the wiring connection and LED description.
[[File:X680-IMG-5523-Connection-Diagram-New.jpg|900px]]
[[File: X680-CM4-install1.jpg|800px]]
2. '''Make sure to use the right pikvm OS. Only PiKVM V3 is supported'''.
V3 Pre-Assembled version already includes OLED display configuration, while V3 HAT Kit version need to configuring OLED yourself.
[[File:Pi4-V3-HAT.png|800px]]
3. <span class="tb_red">Important: Remove the USB cable after programming is complete. </span>
4. Please email us at <span class="tb_blue">support@geekworm.com</span> if you have further questions.
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These 3 USB ports are used for local switching between target PC1-PC4, e.g. a USB disk with the OS image can be used to install the os in PC1, if switching to PC2, then the os can be installed in PC2, and so on.
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Q: Does the x680 support audio?
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A: Yes. Refer to [[Enable pikvm hdmi audio]]</div>
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