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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.
A virtual Serial Port Driver can be installed in three easy steps: Download Virtual Serial Port Driver; Double click to launch the application. If you see a User Account Control message, click “Yes” to allow the application to be installed. Follow the steps in the installation wizard. Read and accept the License Agreement, and click Next to continue.
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
Serial Port Devices Windows 7 and Vista driver for serial port adapter Applies to the Following Product: - Cyber Serial Dual Plus (JJ-P20212) Description: I need the Windows 7 and Vista driver for my PCI serial port adapter. In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer or automaton. A driver provides a software interface to hardware devices, enabling operating systems and other computer programs to access hardware functions without needing to know precise details about the hardware being used. Windows Device Portal (WDP) is a device management and debugging tool that lets you configure and manage device settings and view diagnostic information over HTTP from a web browser. For WDP details on other devices, see Windows Device Portal overview. You can use the WDP for the following: Manage device settings (similar to the Windows.
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.Note
This page contains steps on updating drivers and not Windows Updates. For help with Windows updates, see: How to update a Microsoft Windows computer.
Below is a listing of our recommended hardware devices to update. Updating your computer's drivers and other updates can resolve problems, improve the performance, and increase the stability of your computer.
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Computer BIOS updates should only be done when you are having compatibility issues with your hardware, or you feel your computer hardware is not performing as it should. Visiting your computer manufacturer or motherboard manufacturer page allows you to see if any BIOS updates are available for your motherboard and what they fix.
CD or DVD drive drivers and firmware
Updating the drivers for your optical drive (CD-ROM, CD-R, CD-RW, DVD) may improve its performance. We recommend you visit our CD drivers page for a listing of manufacturers and their driver update pages to obtain the latest drivers.
Some manufacturers may also have firmware updates available for their CD drives. Firmware updates resolve hardware related issues you may be experiencing with the CD drive, such as being unable to read some CDs or may update the region code on your DVD drive. Unlike a driver update, these updates should only be performed for users who are experiencing hardware related issues with their drives. Most firmware updates are accessible through the manufacturer's CD driver page, see the CD drivers page for a listing of these links.
Updating to the latest drivers for your computer controllers help with their reliability and the drives connected to them. If you're using a device separate from your computer motherboard, see the controller drivers page for a listing of manufacturers and drivers. If you are not using a separate component, the controller card may be updated by installing the latest drivers for your motherboard. These drivers can be obtained from your motherboard or OEM computer manufacturer. See the motherboard drivers page for additional information.
Unlike other hardware devices, display devices such as a computer monitor or flat-panel displays are often automatically detected and set up by the operating system.
If you are looking for a video driver, see the below video card drivers section.
Unless your computer keyboard contains special keys, your keyboard should not require any drivers and should be set up by the operating system.Note
Users using a USB or FireWire keyboard may need drivers for their operating system to support the keyboard.
Unless you are utilizing a unique mouse with special buttons, wheels, or other features, drivers are not required. The mouse should automatically set up by the operating system.
Updating the computer modem drivers can improve the reliability of the modem and may improve the speed. We recommend you visit our modem drivers page for a listing of manufacturers and their driver update pages to obtain the latest drivers.
Some modem manufacturers may also have firmware updates that upgrade the modem to support new standards, such as V.90, or correct hardware issues with the modem. Firmware updates should only be done if your computer or modem manufacturer recommends you update the modem or if you believe a firmware update corrects your issue. When updating your modem's firmware, verify you are using a firmware update designed for your modem. Updating the firmware with an incorrect version may cause the modem to no longer work. Firmware updates are usually also available through the modem drivers page.
Motherboard drivers, firmware, and updates
Updating the computer motherboard or motherboard chipset drivers helps with compatibility, reliability, and performance. It can also be beneficial to other hardware installed in the computer. See the motherboard drivers page for a listing of links to motherboard chipset drivers and motherboard manufacturers' drivers pages.
Network card drivers
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Updating or installing the latest drivers for a computer network card may help with the reliability of the network card in the computer. For a listing of computer network card drivers, see our network drivers index.
Some network card manufacturers may also have firmware updates that resolve compatibility issues or other hardware issues. These updates should only be done if your network card or computer manufacturer recommends an update. These updates are also available through the manufacturer's network drivers page.
Updating or installing the latest drivers for a computer printer may help with the reliability and compatibility of the printer. A listing of computer printer drivers is on our printer drivers page.
Removable media drivers
Updating or installing the latest drivers for a removable media device, such as a tape drive, may help with the reliability of the removable media device. A listing of computer removable media drivers is on our removable media or tape drive drivers page.
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Updating or installing the latest drivers for a scanner may help with the reliability and compatibility of the scanner. A listing of computer scanner drivers is on our scanner drivers page.
Sound card drivers
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Updating or installing the latest drivers for a sound card help with the compatibility, reliability, and the performance of the sound card. A listing of computer sound card drivers is on our sound card drivers page.
Updating or installing the latest drivers for a video card help with compatibility, reliability, and the performance of the video card. A listing of computer video card drivers is on our video card drivers page.
Some video card manufacturers may also have firmware updates. Firmware updates may resolve issues relating to the compatibility of the video card or resolve other hardware issues. Firmware updates should only be done if your video card or computer manufacturer recommends an update. These updates are also available through the manufacturer's network drivers page.
- See our drivers and hardware definition for further information and related links.