---
title: "Instructions for installing the driver for the port connected to the Arduino circuit (For Laptop/PC running 32-bit Windows 7)"
description: "## When connecting Leanbot to your computer via USB cable, you may get the following error: | ![https://lh5.googleusercontent.com/ww1fHv7QE25b0xtWdkYQHn-OYQD7keKZRWSx9MQE4Iiv5lWhrotDhxj-RHLtp1R3zlogx0tpz274qUZi6Z3qno7wXb-KQp5VmfWSQMKl9RkD_sDmQ--6NE8fV0pCtjiQFXL-uGBbM6F-D1FWjMOBtOfowbVnOBO4q97KbqiwMj0Rjtg2IHEVmBg32KKzwTmtc4Wn_Wv9hg](https://pythaverse.space/wp-content/uploads/2023/08/https-lh5-googleusercontent-com-ww1fhv7qe25b0xtw.png) Port Connection Error Image | | --- | ## Cause: The computer does not have the connector driver installed - **You can…"
url: "https://pythaverse.space/docs/instructions-for-installing-driver-connected-port-to-the-arduino-circuit/"
updated: "2025-02-07"
category: Leanbot Documentations
tags:
  - Arduino
  - Arduino Uno
  - Driver
  - Leanbot
  - port
---

# Instructions for installing the driver for the port connected to the Arduino circuit (For Laptop/PC running 32-bit Windows 7)

## When connecting Leanbot to your computer via USB cable, you may get the following error:

| ![https://lh5.googleusercontent.com/ww1fHv7QE25b0xtWdkYQHn-OYQD7keKZRWSx9MQE4Iiv5lWhrotDhxj-RHLtp1R3zlogx0tpz274qUZi6Z3qno7wXb-KQp5VmfWSQMKl9RkD_sDmQ--6NE8fV0pCtjiQFXL-uGBbM6F-D1FWjMOBtOfowbVnOBO4q97KbqiwMj0Rjtg2IHEVmBg32KKzwTmtc4Wn_Wv9hg](https://pythaverse.space/wp-content/uploads/2023/08/https-lh5-googleusercontent-com-ww1fhv7qe25b0xtw.png) Port Connection Error Image |
| --- |

## Cause: The computer does not have the connector driver installed

- **You can try to follow the instruction video below:**

[Tutorial: Installing CH340 Drivers](https://www.youtube.com/embed/MM9Fj6bwHLk?feature=oembed)

- **Or follow these steps:**

### Step 1: Visit to link [https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/all](https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/all)

### Step 2: Click Drivers (If You Need Them)

| ![](https://pythaverse.space/wp-content/uploads/2023/08/word-image-6211-3.png) Click “[Drivers (If You Need Them)](https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/all/#drivers-if-you-need-them)” |
| --- |

### Step 3: Click “Window (EXE)” to download the driver file for Windows OS

- Click Window (EXE) to download

| ![](https://pythaverse.space/wp-content/uploads/2023/08/word-image-6211-4.png) Click Windows (EXE) to download |
| --- |

- Note: You have the choice to select the fitting driver for your computer's operating system.

### Step 4: Select the folder to save the file and click "Save" on your computer”

| ![](https://pythaverse.space/wp-content/uploads/2023/08/word-image-6211-5.png) Click "Save" on your computer |
| --- |

### Step 5: Select Open file

- After the download is complete, we will get the **CH341SER.EXE** file as shown below.
- Right click and select **Open** file or double click to proceed with the installation.

| ![](https://pythaverse.space/wp-content/uploads/2023/08/word-image-6211-6.png) Select Open file |
| --- |

### Step 6: Click “Run” button

| ![](https://pythaverse.space/wp-content/uploads/2023/08/word-image-6211-7.png) Click Run to install |
| --- |

### Step 7: Click “Install” button

Click the "Uninstall" button first, then click on the "Install" button.

| ![https://cdn.sparkfun.com/assets/learn_tutorials/8/4/4/CH340-Win10_Uninstall-Install.PNG?_gl=1*1lp9jhc*_ga*MjA0NDI4OTg2Ni4xNjkyMDA0NjAy*_ga_T369JS7J9N*MTY5MjAwODYxOS4yLjEuMTY5MjAwOTE0My42MC4wLjA.](https://pythaverse.space/wp-content/uploads/2023/08/https-cdn-sparkfun-com-assets-learn_tutorials-8-.png) Windows CH340 Driver Installation |
| --- |

### Step 8: Click OK to complete the installation

- Wait for a few seconds, a window will appear saying that the installation is successful, select **OK** to finish.

| ![](https://pythaverse.space/wp-content/uploads/2023/08/word-image-6211-9.png) Click OK to finish the installation |
| --- |

- Congratulations, you have successfully installed the port driver connected to the Arduino board!