Windows 10 Device Manager | What is It | How to Open | Exclamation Mark Icon on Device

Date of publication of the material 28.10.2019 Article views 169 Number of likes to article 0 Number of Comments

Every user of a computer running the Windows operating system, one way or another, but faced with errors that required a certain approach to the solution.

While most of the problems associated with the Windows hang and the inability to complete the failed process are solved with the help of a universal tool - "Task Manager", then most of the problems with hardware and drivers are solved with the help of "Device Manager".

"Device Manager" is an extremely useful system utility that allows you to get not only the most complete information about the device, but also to carry out certain manipulations with faulty drivers.

In the framework of this article, we will analyze in detail the work of this tool, and touch on all the main issues related to it.

How to Open Device Manager

There are many ways to open the tool in question, and among this majority, the following options can be distinguished:

  • Right-click on the "start" menu and select "Device Manager" among the presented sections; 

    How to Open Device Manager in Windows 10

  • Press the key combination "WIN+R" and run the command "devmgmt.msc";

    Open Device Manager with (devmgmt.msc) command

  • Right-click on the "This PC" icon and select "Manage". In the opened window "Computer Management" open the section "Device Manager"; 

    In Computer Management open section Device Manger

  • Press the key combination "WIN+S" and type in the search box "Device Manager" - open the found option; 

    How to open Device Manager via search box

  • Open "This PC" and right-click on an empty area of the window. In the "System" window that opens, select the "Manager" in question. 

In Properties thsi PC then in system properties you can open Device Manager

  • Open "Desktop" and right-click on an empty area:
    • Select "Create" - "Shortcut";
    • A window will Open asking "Type the location of the item";
    • In the Specify object location box, type "devmgmt.msc" and click "Next"; 
    • For create shortcut type (devmgmt.msc) and click Next button
    • In the line "Type a name for this shortcut" write "Device Manager"; 
    • Type a name for this shortcut
    • Click "Finish" to create a shortcut that will further quickly open "Manager" directly from the desktop.

How to Find the Right Device

All devices presented in the "Manager" are structured according to their belonging; for example, in the "Video Adapters" section there are video cards installed on the computer, in the "Disk devices" section all disks currently connected, including external ones, will be displayed.

If the desired device works correctly, then there can be no problems with finding them.

What does the Exclamation Mark Icon in the Yellow Triangle Mean

Such a "marker" is familiar to everyone, as it occurs in the operation of the operating system quite often.

The Windows operating system, marking devices in this way, signals the presence of problems in the operation of software drivers, which could occur both during the initial installation and at the time of operation of the device.

In such situations, the problem components are referred to as" Unknown device", which is insignificant, but complicates its identification, especially if there are several of them.

In this case, you will need to do the following:

  • Right-click on the "Unknown device" line and select "Properties";
  • Click the Details tab and in the Property row, select the hardware ID row;
  • Select and copy the first line, in which special attention should be paid to the value of "VEN" and "DEV"; 

Select and copy the first line, in which special attention should be paid to the value of VEN and DEV

  • You will only need to enter the data in the search bar of the Internet browser and identify the device.

And about what to do with the problem driver is described in detail in this article.

What if the "Manager" does Not See the Connected Device

This circumstance indicates the presence of hardware problems in the operation of the equipment, for example:

  • The device does not have enough power;
  • Violated the integrity of the cable connections;
  • The hardware is not compatible;
  • Hardware disabled in BIOS settings.

Unfortunately, it is quite difficult to judge the causal relationship, as the circumstances that can lead to such a problem are largely individualized.


As a conclusion, there are several points that can help in solving the problems with the equipment:

  • To see hidden devices you need to click on the "View" tab and activate the "Show hidden devices" line;
  • To install hardware that is already "Obsolete" and is not automatically detected by the operating system, you will need to click on the "Actions" tab and select "Add legacy hardware".
Add comments