Device Manager is a management tool used to manage devices on your computer. You can use “Device Manager to view and change device properties, update device drivers, configure device settings, and uninstall devices. What should I do if the device manager driver has a yellow exclamation mark? The following small series teaches you how to remove the yellow exclamation mark in the device manager driver in Win7 system.
1. First press the Win+R shortcut on the keyboard to open the running window of the computer. Then enter regedit in the window and click Enter. This will open the registry editor window of the computer. .
2. in open registry editor window, then click to expand the left menu HKEY_LOCAL_MACHINE \\ SYSTEM \\ CurrentControlSet \\ Control \\ Class \\ {4D36E965-E325-11CE-BFC1-08002BE10318} Next, find the UpperFilters option and the LowerFilters option in the right window, right click on the two items, delete them, and then exit the registry window.
The above is the response to the yellow device exclamation point driven by the Win7 system. With just two simple steps, the user can solve this problem through the Registry Editor.
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