How to solve the problem that the brightness cannot be adjusted and becomes invalid after the win10 system is installed and updated?

How to solve the problem that the brightness cannot be adjusted and becomes invalid after the win10 system is installed and updated?

Windows 10 is a Microsoft pushing system. Some people like it or not. Although there are not so many bugs, there are still some problems, that is, they can highlight your eyes, after the system was installed and updated, the brightness could not be adjusted. This problem had plagued me for several days and nights. Some methods on the Internet were basically used, which eventually led to incompatibility of the re-installed driver and system crash, in the end, you can only reinstall the system .? ? ? ? However, I found a simpler and more effective method. At present, the method I have seen is too advanced. Many beginners may not understand it, so I have this method.

First, we can find this computer or my computer.

Right-click the menu that appears and selectManagementMenu entry.

SelectDevice ManagerAnd then you can see many options on the right side. SelectDisplay AdapterTwo options are displayed. If the brightness cannot be adjusted, a yellow exclamation point is displayed for the two options under the display adapter. skip this step.

The computer graphics card driver is now running normally, so the yellow exclamation point disappears. You only need to see it. In the same way, right-click a graphics card program with a yellow exclamation point, then enterAttribute.

Then select the second tab.Driver, You can see the followingRollback driverLeft-click to enter the option, you will see a problem option, ask the reason you choose to return, you can choose any one, after you choose to return, the computer screen will appear several times of black screen and flashing, this is the normal phenomenon that the video card Driver returns. After that, the computer can adjust the brightness normally!

Then you can see that the position of the brightness adjustment changes from Gray to the adjustable state. Is it very easy? Try it now!