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Instructions for adding NanoKVM to modify EDID

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2026-02-09 10:16:19 +08:00
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60
docs/hardware/en/kvm/NanoKVM/faq.md
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@@ -54,6 +54,66 @@ The STA LED indicates the operating status of the NanoKVM. When functioning prop
> If the IP exists only when powered by the power bank, but disappears after connecting HDMI/computer USB, this indicates the issue. Please contact customer service to purchase an isolator to resolve it.
### No Display After Logging into the Browser Interface
#### Default Resolution Error
NanoKVM only supports 1080P resolution, but the host may occasionally output video signals with specifications higher than 1080P. It is recommended to modify the default EDID to resolve this issue. Before proceeding, please upgrade to the latest APP (version 2.3.2 or above) in the web interface.
> When using the Cube/Lite version, on-site operation is mandatory. After modification, please power cycle the device to apply the new configuration; otherwise, HDMI capture anomalies may occur.
Access the web terminal and execute the command: `/kvmapp/system/tool/nanokvm_update_edid /kvmapp/system/tool/E21_NanoKVM.bin`. Confirm on-site operation for Cube/Lite.
``` shell
## PCIe Version Normal Flashing Output:
# /kvmapp/system/tool/nanokvm_update_edid /kvmapp/system/tool/E21_NanoKVM.bin
Chip Version: LT6911UXC
Product Version : PCIE_A
=========================================================
Incorrect EDID may cause issues such as
inability to display images, please modify with caution
=========================================================
EDID data loaded successfully from /kvmapp/system/tool/E21_NanoKVM.bin
Writing EDID....
EDID write completed
Reading EDID...
EDID data verified successfully
=========================================================
✅ EDID update successful!
=========================================================
## Cube/Lite Normal Flashing Output:
# /kvmapp/system/tool/nanokvm_update_edid /kvmapp/system/tool/E21_NanoKVM.bin
Chip Version: LT6911UXC
Product Version: CUBE_B
=========================================================
Incorrect EDID may cause issues such as
inability to display images, please modify with caution
=========================================================
==========================================================
⚠️ WARNING: Hardware version detected as Cube/Lite!
==========================================================
After flashing, you MUST manually power cycle the device!
Please ensure you can physically disconnect its power,
NOT just remotely reboot it!!
==========================================================
Do you want to continue? (Y/N):
Y
EDID data loaded successfully from /kvmapp/system/tool/E21_NanoKVM.bin
Writing EDID....
EDID write completed
Reading EDID...
EDID data verified successfully
=========================================================
✅ EDID update successful!
Please manually power cycle the device to apply changes.
=========================================================
```
#### Other Issues
1. The controlled host may be in sleep mode. Try pressing any key on the keyboard to wake it up.
2. Non-Chrome browsers may experience issues with H264 not displaying, while MJPEG mode works normally. Please try again using Chrome.
3. For the PCIe version, try clicking the reset HDMI option under the "Video" icon.

60
docs/hardware/zh/kvm/NanoKVM/faq.md
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@@ -52,6 +52,66 @@ keywords: NanoKVM, Remote desktop, Lichee, PiKVM, RISCV, tool
> 若仅充电宝供电时IP存在，插入HDMI/电脑USB后IP消失则确认出现了该问题，请联系客服购买隔离器以解决
### 登录浏览器界面后，无画面
#### 默认分辨率错误
NanoKVM仅支持1080P分辨率，但主机有概率输出了1080P以上规格的画面，推荐修改默认EDID来解决该问题，在此之前请在网页中升级到最新的APP（2.3.2以上）
> 使用 Cube/Lite 版本时，必须现场操作。修改后请重新上电以应用新配置，否则可能导致 HDMI 采集异常。
进入网页终端，执行命令：`/kvmapp/system/tool/nanokvm_update_edid /kvmapp/system/tool/E21_NanoKVM.bin`, Cube/Lite需要确认现场操作
``` shell
## PCIe版本 正常烧录输出：
# /kvmapp/system/tool/nanokvm_update_edid /kvmapp/system/tool/E21_NanoKVM.bin
Chip Version: LT6911UXC
Product Version : PCIE_A
=========================================================
Incorrect EDID may cause issues such as
inability to display images, please modify with caution
=========================================================
EDID data loaded successfully from /kvmapp/system/tool/E21_NanoKVM.bin
Writing EDID....
EDID write completed
Reading EDID...
EDID data verified successfully
=========================================================
✅ EDID update successful!
=========================================================
## Cube/Lite 正常烧录输出：
# /kvmapp/system/tool/nanokvm_update_edid /kvmapp/system/tool/E21_NanoKVM.bin
Chip Version: LT6911UXC
Product Version: CUBE_B
=========================================================
Incorrect EDID may cause issues such as
inability to display images, please modify with caution
=========================================================
==========================================================
⚠️ WARNING: Hardware version detected as Cube/Lite!
==========================================================
After flashing, you MUST manually power cycle the device!
Please ensure you can physically disconnect its power,
NOT just remotely reboot it!!
==========================================================
Do you want to continue? (Y/N):
Y
EDID data loaded successfully from /kvmapp/system/tool/E21_NanoKVM.bin
Writing EDID....
EDID write completed
Reading EDID...
EDID data verified successfully
=========================================================
✅ EDID update successful!
Please manually power cycle the device to apply changes.
=========================================================
```
#### 其他问题
1. 被控主机可能处于睡眠状态，按下键盘任意按键尝试唤醒
2. 非Chrome浏览器可能存在H264无图像而MJPEG模式正常显示，请使用Chrome浏览器再试
3. PCIe版本可尝试点击`视频`图标下的重置HDMI