- Usb Serial Port (com3) Driver Windows 7
- Usb Serial Port (com3) Drivers
- Usb Serial Port Driver Com3 Windows 10
Summary :
When I connect B, Device Mgr shows it as USB Serial Device (COM4) (device A). I can't update the driver for either because Windows doesn't see the correct driver ie. If I go to the Arduino driver folder to load the proper driver, Windows will not load as it's looking for UART drivers. It's as if the 2 devices have switched identities. USB-SERIAL CH340 (COM3) - Driver Download. Vendor:. Product: USB-SERIAL CH340 (COM3). Hardware Class: Ports. Search For More Drivers.: Go! Driver description Download driver Prolific USB-to-Serial Comm Port (COM3) Driver version 3.8.18.0, v.3.8.12.0 for Windows XP, Windows 7, Windows 8, Windows 8.1, Windows 10 32-bit (x86), 64-bit (x64). Features of the Active USB-COM Port Driver 1.Features: The USB device can be removed from the PC USB Port while the application opens the Serial Port with which the USB; device is connected. (It will be kept opening when the USB device is plugged into the USB Port again.) The Virtual Serial Port is always existed on PC even if USB device is.
COM ports are common components of Device Manager. Windows users can see them easily by opening the Device Manager. However, problems may occur, causing the COM ports lost from Device Manager. If you are encountering this, please read the methods mentioned below to try to fix the problem yourself.
COM stands for Communication port and it is actually the original name of the serial port interface. The COM can be used to refer both physical ports and emulated ports, which are created via the Bluetooth or USB-to-serial adapters. Well, the COM ports missing in Device Manager problem happens now and then.
How to access Windows 10 Device Manager ports?
- Right click on This PC icon on the desktop.
- Choose Manage from the context menu.
- Select Device Manager under System Tools. (You can also press Start + X directly to select Device Manager.)
- Choose View from the menu bar.
- Choose Show hidden devices from the submenu.
- Locate Ports (COM & LPT) from the list in the right pane.
- Expand it to find Communications Port (COM).
MiniTool Software could help you recover data from hard disk, USB flash drive, and other external storage. If you find the USB ports not showing in Device Manager Windows 10, please read this to know how to fix USB not recognized issue.
Various solutions are provided for you to fix USB flash drive not recognized error and recover data from the inaccessible flash drive.
COM Ports Missing in Device Manager
Usb Serial Port (com3) Driver Windows 7
However, there are many peoples said they can’t find ports in Device Manager and they desperately need a solution to it.
COM Ports Not Showing in Device Manager: Ture Cases
One: Com Port is Missing / Ports Option Not Available In Device Manager.
My com port is missing. And the ports option is not available in Device Manager. I'm able to perfectly connect and use my phone/modem with the computer. I had gone through several discussions about same topic here in answers.microsoft.com to no avail. How do I enable it, or can you provide a link where I can download this com driver for windows 10? Thanks.- posted by etwdensegen sprechen in Microsoft Forum
Two: No Ports shown in Device Manager (even hidden) Win 7 Pro 64 bit.
I can't get an external modem to work (even though it shows in devices and printers window. I can't get a USB-serial port converter to work either. It would be helpful if I had info from the device manager window but nothing show up, even though I have turned on the show hidden devices. Any ideas? Thanks.- asked Paul Saacke in Microsoft Forum
Three: COM PORT is disappeared in Device Manager.
When I opened device manager at that time I found that, portable devices COM port option disappeared from device manager. What should I have to do to resolve this issue?- said SAY014 in HP Forum
So how to fix the problem and find back your Windows 10 COM ports? Please keep reading!
How Do I Add a COM Port to Device Manager
Some users complained that their Widows 10 COM ports disappeared from Device Manager after they have upgraded their Windows platforms. Whatever the cause, the users’ primary concern is how to restore missing COM ports. That’s what I’m going to talk in this section.
Method 1: Show hidden devices.
As I have mentioned at the beginning of this article, users can’t see the COM ports directly. Instead, they need to open Device Manager -> select View tab -> choose Show hidden devices. After that, they’ll see the Ports (COM & LPT) option and they only need to expand it to fins COM ports.
Method 2: add COM ports manually.
- Open Device Manager on your Windows 10 computer.
- Click on the Action option from menu bar.
- Choose Add legacy hardware from the submenu to open the Add Hardware window.
- Click on the Next button to move on.
- Check Install the hardware that I manually select from a list (Advanced) and press Next.
- Select Ports (COM & LPT) from the given list and press the Next button.
- Choose Standard port types option or the manufacturer for the ports; then, click Next.
- Click on the Finish button to complete.
Method 3: update the motherboard drivers.
If the motherboard drivers are too outdated, they will also lead to COM ports missing in Device Manager. Therefore, you are advised to update your motherboard drivers manually and see whether it works.
Contents:
Prolific USB to Serial Comm Port Driver Overview
If you are using a Prolific USB-to-Serial device such as PL2303, after upgrading the system to Windows 10, it is out of work. And when you open device manager, there is a yellow exclamation in the Ports (COM & LPT) list: Prolific USB-to-Serial Comm Port (COM5).
And when choosing the properties from the right-click context menu, the General tab shows a code 10 error: the device cannot start.
What is Prolific USB to Serial Devices?
The USB to Serial devices is developed by Prolific to provide interface bridge solution to connect your legacy peripherals and application on Windows, Mac, Linux and Android system.
Tips:
If you think your profilic USB cable is broken, you can get another one from here: Prolific USB 2.0 to RS-232 DB9 Serial Adapter.
How to Download Prolific USB-to-Serial Comm Port Driver
So when you met this problem, do not worry about it. There are 3 ways you can do to solve it.
Solution 1: Update Prolific USB-to-Serial Driver in Device Manager
The normal way and fast way to solve it is to update the USB to the serial device driver in device manager. It will help Windows 10 recognize the devices again and restart it.
1. Open device manager by right-click Windows icon and choose it from the results.
2. Expand Ports (Com & LPT), right-click Prolific USB-to-Serial Comm Port (Com5) to select Update Driver Software. In your computer, maybe it is another comm port.
Usb Serial Port (com3) Drivers
3. Search automatically for updated driver software. In this step, windows will search the latest of prolific USB to Serial driver for Windows 10.
After Windows 10 detected the right driver, it will download and install it automatically.
If the device manager cannot help you solve this problem, try to use the next two solutions.
Solution 2: Update Prolific USB to Serial Drivers Automatically
If you have the problem of manual downloading the USB to serial driver, you can use Driver Booster to help you.
Driver Booster, a professional drivers download and update software, can scan all the missing and outdated devices drivers such as graphic, audio, USB, keyboard, speaker, mouse, monitor, battery etc. So if your prolific USB to serial driver missed, this software can fix it easily and fast.
1. Download, install and run Driver Booster on your computer.
2. Follow Scan > Update or Update Now process to finish update the prolific USB to Serial drivers.
Driver Booster can detect all the computer devices including internal and external devices. In Windows 10, it will identify all the devices and shows the original driver version, release date, manufacturer.
Usb Serial Port Driver Com3 Windows 10
After identifying all devices, it will compare these drivers with the latest drivers. If the driver is not the latest one, it will recommend the latest driver. If one of the devices does not have a driver, it will also provide the latest driver.
Solution 3: Manually Download Prolific USB to Serial Drivers for Windows 10
Before you fix it manually, you need to uninstall USB to Serial device at first.
1. Right-click the Prolific USB-to-Serial Comm Port and choose to Uninstall to delete the device.
2. Enter the Prolific download center. Here use the PL2303 as an example. Then you will see the different devices. You can choose PL2303 windows driver download.
3. In PL2303 Windows drivers download page, you can download the driver file: 18.0B.zip.
This file supports windows 10 and it is a WHQL driver. So you can download it safely. After PL2303_Prolific_DriverInstaller_v1.18.0B.zip file downloading finished, install it step by step.
After updating the driver, reboot the computer and check it in the device manager. And of course, you can check if the code 10 error disappears.
So using these 3 methods to update prolific USB to Serial drivers for Windows 10 can fix the devices not working issue.
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