- Virtual COM port (VCP) drivers cause the USB device to appear as an additional COM port available to the PC. Application software can access the USB device in the This page contains the VCP drivers currently available for FTDI devices. For D2XX Direct drivers, please click here.
- After 3 days of digging, I found the fix for the OptiPlex 790 and 990 PCI Serial Port Driver issue which shows as a yellow triangle under Device Manager. This trouble occurs when you upgrade from Win 7 which is fully-supported by Dell on these machines, to the unsupported Win 8 or Win 10.
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In Device Manager at Redmi 7A, Properties: “The drivers for this device have not installed. (Code 28) There are no compatible drivers for this device. To find a driver for this device, click Update Driver. ” After I activated the Update Driver button, I received the following responses: “Windows could not find drivers for your device”.
Summary :
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).
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COM Ports Missing in Device Manager
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.
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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.
Prior to installing this device, ensure that your operating system is up to date (for example, you have installed the most recent service pack).
To install the USB Server software:
- Download the latest software package from the StarTech.com website (http://www.startech.com/Support). You can find the part number and product ID on the product’s packaging.
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Note: Windows will typically save the files to the Downloads folder that is associated with your user account (for example, C:Usersyour_nameDownloads).
- Once the download is complete, right-click the zip folder that you downloaded, select Extract All, and follow the on-screen instructions.
- Select the appropriate folder for your operating system.
- Right-click Setup.exe.
- Click Run as Administrator.
Note: If the Run as Administrator option is not available, you might be attempting to run the installer from within the zipped file. Extract the files using the instructions in Step 2.
- Follow the on-screen prompts to install the software and restart the computer when prompted.
- Your computer will automatically complete the software installation and your device should be ready to use.
Set up the software
Confirm that the extender is on the same network as your computer. If you are using a network with DHCP, you do not need to configure anything further.
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If you are using an Ethernet cable to connect to the unit or you are using a network without DHCP, you need to change the IP address on your computer to the default IP network of the IP device server. Change the IP address of your system to 192.168.1.XXX, where XXX is a number between 1 and 49.
Note: The default IP address of the extender is 192.168.1.50 on the default subnet mask of 255.255.255.0.
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USB Server software
Your extender is detected by the USB Server software when the software is launched. Drivers palm mobile phones & portable devices.
Note: It may take a few minutes for the server to appear in the software. Drivers nvidia port devices app.
When the extender appears in the list (for example, USB2HDMI), click either the display or media device associated with the server. Click on one of the devices and then click Connect Device.
When the USB Server software configuration is complete, the display and media devices are connected to your system as though the devices are installed locally. By default, Windows creates an extended desktop for the display, which you can reconfigure in the control panel.
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