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<summary>How to switch to root user?</summary> <p>A: run the following command:</p> <pre>su root</pre> <p>Then type the password, the default password is 'root' also.</p> </details>
<pre> rw systemctl enable --now kvmd-oled ro
<summary>How to enable RTC?</summary> <p> A: Firstly, insert the C1220 button battery. run the following command: </p> <pre>
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<p><a href="/File:Pi4-V3-HAT.png" class="image"><img alt="Pi4-V3-HAT.png" src="/images/thumb/b/be/Pi4-V3-HAT.png/800px-Pi4-V3-HAT.png" decoding="async" width="800" height="616" srcset="/images/thumb/b/be/Pi4-V3-HAT.png/1200px-Pi4-V3-HAT.png 1.5x, /images/b/be/Pi4-V3-HAT.png 2x" data-file-width="1443" data-file-height="1112"></a></p>
<pre> su root #default password is root also
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'''Q: Why PiKVM-A3</A4 does not show the video?''' A:* Double-check that the video capture device is connected correctly and tightly. For the CSI bridge, this should be exactly the camera port;* Some laptops do not output any signal until you switch the output (usually via the FN + and an F5 key on the keyboard).* Your computer may have turned on sleep mode for the monitor. Move the mouse to turn it off.html>
* Blog sharing for reference: https://www.andysblog.de/kvm-over-ip-pikvm-als-bausatz
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<p>A: Run the following command to enable OLED display:</p>
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rw
sudo nano /boot/config.txt
ro
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<summary>Why OLED is not display?</summary>
<p>A: Please follow the steps below to check</p>
<p>1. Please confirm that your OS is right:</p>
<p>Due to downloading the wrong firmware, the OLED cannot be displayed. We ALSO made such mistakes during testing.</p>
<p>2. Please check if the order of OLED screen pins is correct, please contact us if it's a wrong pin order;</p>
<p><a href="/File:OLED-IMG-4373-1.jpg" class="image"><img alt="OLED-IMG-4373-1.jpg" src="/images/6/6e/OLED-IMG-4373-1.jpg" decoding="async" width="864" height="710" data-file-width="864" data-file-height="710"></a></p>
<pre>pi@raspberrypi:~ $ sudo i2cdetect -y 1
0 1 2 3 4 5 6 7 8 9 a b c d e f
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<p>3c is a hexadecimal number, it is the I2C address of OLED, if you can’t find this value, please shut down and reconnect X630-A3&OLED and run this command again, If you still can't find the OLED's I2C address, the OLED screen may be damaged.</p>
<p>4. Then run the following command to enable OLED display:</p>
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ro
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<summary>I want to control several pc power. Is it possible with one PiKVM-A3 and several x630-a5</summary>
<p>A. No, one kit can only control one pc, you can refer to <a href="/X680" title="X680">X680</a></p>
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<summary>Q. There is a I2S Audio In on X630-A3, does the packing list contain an I2S cable? How to connect it?</summary>
<p>A. No contain an I2S cable. We will add the I2S cable soon.</p>
<p>PiKVM OS does not support I2S, so it cannot be used yet.</p>
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<summary>'Q: How to login?'</summary>
<p>A: Input the XX.XX.XX.XX ip address on the explorer, then input user: admin, the default password is 'admin' also.</p>
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<summary>How to switch root user?</summary>
<p>A: run the following command:</p>
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<summary>Why the device does not show the video?</summary>
<ul><li>Double-check that the video capture device is connected correctly and tightly. For the CSI bridge, this should be exactly the camera port;</li>
<li>Some laptops do not output any signal until you switch the output (usually via the FN + and an F5 key on the keyboard).</li>
<li>Your computer may have turned on sleep mode for the monitor. Move the mouse to turn it off.</li></ul>
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