Q==FAQ==* First of all, we recommend you to get more FAQ information on the official website: [https://docs.pikvm.org/faq/ official FAQ], or check the following FAQ;* You can post a issue ticket at [https://geekworm. I want com/community/forum/topic/78220/pikvm-faq Geekworm forum] or email to control several pc powerus (support@geekworm. Is it possible with one PiKVMcom) and attached your installation pictures or videos to get some help.* Blog sharing for reference: https://www.andysblog.de/kvm-over-ip-A4 and several x630pikvm-als-a5bausatz
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<summary>Q. I want to control several pc power. Is it possible with one PiKVM-A4 and several x630-a5</summary>
A. No, one kit can only control one pc.
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<details><summary>Q: How to login?</summary>
A: Input the XX.XX.XX.XX ip address on the explorer, then input user: admin, the default password is 'admin' also.
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Q: How to switch root user?
<details><summary>Q: How to switch root user?</summary><p>A: </p><pre>su root #default password is root also</pre> '''Q: How to enable OLED?'''</details>
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<summary>Q: How to enable OLED?</summary>
A: Refer to the followint steps
1. Switch root user
<pre>su root #default password is root also</pre>
2. switch to writable mode
<pre>rw</pre>
3. Edit /boot/config.txt and add below code.
<pre>nano /boot/config.txt</pre>
And add below codes, then save & exit;
<pre>dtparam=i2c1=on dtparam=i2c_arm=on</pre>
4. Edit /etc/modules-load.d/raspberrypi.conf and add below code.
<pre>nano /etc/modules-load.d/raspberrypi.conf
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4. Edit /etc/modules-load.d/raspberrypi.conf and add below code.
nano /etc/modules-load.d/raspberrypi.conf
And add below codes, then save & exit;
<pre>i2c-dev</pre>
5. Install package
<pre>pacman -S i2c-tools[[</pre><p><a href="/File:Pacman-i2c-tools.png|" class="image"><img alt="Pacman-i2c-tools.png" src="/images/thumb/2/28/Pacman-i2c-tools.png/800px]]-Pacman-i2c-tools.png" decoding="async" width="800" height="296" srcset="/images/thumb/2/28/Pacman-i2c-tools.png/1200px-Pacman-i2c-tools.png 1.5x, /images/thumb/2/28/Pacman-i2c-tools.png/1600px-Pacman-i2c-tools.png 2x" data-file-width="2517" data-file-height="932"></a></p>
If not successful, please try a few more times
6. Enable oled-service
<pre>systemctl enable --now kvmd-oled kvmd-oled-reboot kvmd-oled-shutdown</pre>
7. Reboot
<pre>reboot now</pre>
Or refer to [<a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://geekworm.com/community/forum/topic/85024/enable-oled-on-geekworm-pikvm-a4-kit ">Enable oled on Geekworm PiKVM-A4 Kit]</a>
Thanks teamjang Shin.
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'''<details><summary>Q: How to enable RTC?'''</summary>
A: Firstly, insert the C1220 button battery.
run the following command: <pre>rw sudo nano /boot/config.txt #Then change the line: '''<b>dtoverlay=i2c-rtc,pcf8563''' </b> to '''<b>dtoverlay=i2c-rtc,ds1307''' #Test RTC #Display the current time of the Raspberry Pi date #Write the time of Raspberry Pi to DS1307 sudo hwclock -w #Read the time of DS1307 sudo hwclock -r ro</b>
#Test RTC
#Display the current time of the Raspberry Pi
date
#Write the time of Raspberry Pi to DS1307
sudo hwclock -w
'''Q: Why PiKVM#Read the time of DS1307sudo hwclock -A3rro</A4 does not show the video?'''pre></details>
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.
'''<details><summary>Q: How to connect Why PiKVM-A3/A4 does not show the video?</summary><p>A:</p><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 wifi?'''turn it off.</li></details>
<details><summary>Q: How to connect to wifi?</summary>A: Refer to [<a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://docs.pikvm.org/first_steps/ ">Optional setting up Wi-Fi]</a>
If you want to connect PiKVM to a Wi-Fi network, you need to tell the device ESSID and password before first boot. To do this, mount the first partition of the memory card (FAT32) and edit or make the pikvm.txt file there. Do not remove line FIRSTBOOT=1 or FIRST_BOOT-1 for first time booting, just add your wifi settings like this:
<pre>FIRSTBOOT=1 WIFI_ESSID='mynet' WIFI_PASSWD='p@s$$w0rd'</pre>
There is a possibility that, in countries that support CH13, the device will not connect. You will need to configure your router to disable channels 12-14 or disable Auto scan mode so it will connect.
Save, unmount and follow the next step.
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==References==