Possibility to change the brightness of the screen is no longer available in the control panel

original title: I cannot adjust the brightness of the screen more! Why this option disappeared suddenly from the control panel? It was fine last week.

Every night, I turned off my screen. Suddenly last week, this option disappeared.

Hello

You did material recent or changes to software on your computer before this problem?

Step 1: If the computer does not display the option to adjust the display brightness, check with the manufacturer of the computer for a BIOS updated to support this option.

You can also try to update the drivers for hardware from the computer and check.

BIOS WARNING
Change (CMOS) BIOS/complementary metal oxide semiconductor settings can cause serious problems that may prevent your computer from starting properly. Microsoft cannot guarantee that problems resulting from the configuration of the BIOS/CMOS settings can be solved. Changes to settings are at your own risk.

Reference:
http://Windows.Microsoft.com/en-us/Windows-Vista/update-a-driver-for-hardware-that-isn ' t-work correctly
http://Windows.Microsoft.com/en-us/Windows-Vista/update-drivers-recommended-links

Step 2: You can also try the system restore feature and restore so far when you were able to see the brightness of the display option in Control Panel.

Reference: http://windows.microsoft.com/en-US/windows-vista/What-is-System-Restore

I hope this helps.

Tags: Windows

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