Usb serial controller d driver windows 7

USB Serial Controller Driver for Windows 7 'resolved'

Introduction

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The PL2303 USB-to-serial bridge controller is a popular choice among users who require connectivity between their Universal Serial Bus (USB) ports and serial devices. However, some users have reported issues with installing the necessary driver under Windows 7 64-bit operating systems.

Symptoms

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1. The 'USB Serial Controller' device does not appear in Device Manager after connecting the USB-to-serial adapter.

2. When trying to install a serial port using an application like Putty or HyperSerial, you receive an error message stating that no serial ports are available.

Solution

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To resolve these issues and enable proper functioning of your USB-to-serial controller under Windows 7 64-bit:

1. Download the latest PL2303 drivers from the manufacturer's website.

2. Uninstall any existing Serial Port Driver (SPD) or FTDI driver software installed on your system using the 'Programs and Features' control panel in Control Panel.

Driver Installation

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To install the USB-to-Serial Controller D driver under Windows 7:

1. Download and extract the provided zip file to a temporary directory.

2. Double-click on either of the two files present (e.g., 'setup.exe') or double-click on the extracted folder ('PL2303_PCLPE_4_0_5_20050611'). Follow through with the installation wizard prompts until completion.

After successful driver installation, restart your computer to ensure that Windows recognizes and loads the new USB-to-Serial controller device. Verify its presence in Device Manager under 'Universal Serial Bus Devices'.

Troubleshooting Tips

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1. Ensure proper connection of both ends (USB cable) between the serial adapter and your host system.

2. Check for any conflicts with other serial port or parallel port drivers installed on your computer.

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By following these steps, you should now be able to successfully install and use a USB-to-Serial controller under Windows 7 64-bit operating systems without encountering issues related to the missing driver. If problems persist after trying all of these solutions, consider visiting manufacturer support forums or seeking further assistance from technical experts in your organization's IT department.

References

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1. PL2303 datasheet (available on manufacturer website).

2. USB Serial Controller D Driver for Windows 7 download link (direct link provided above).

Usb serial controller d driver windows 7