Computer Screen Too Dark


I just re-installed Windows 7 today and my screen is just too dark I can't hardly see anything. I noticed that the brightness buttons on the keyboard are not working. So I went to the Control panel→Windows Mobility Center and under Display it says that there's no display connected.

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I even installed all of the Windows updates but it didn't help at all. This has happened before when I re-installed Windows but it went well after installing Windows updates but this time it doesn't work. The screen is way too dimmed. Is there any work around for this?

I have an LG R405 with a standard built in video card. Any help will be much appreciated.

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1 Answer

The problem was the Operating System, Windows 7 Swedish. There seems to be incompatibility between the OS and my LG R405 Laptop because I installed that same OS on another laptop and it's working smoothly. The solution was to install another OS Windows 7 English and the problem was gone.

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By default, all computer laptops will dim their display when running on battery power. Decreasing the brightness may help conserve battery power, allowing you to use your laptop longer when it's unplugged.

Power settings

In Microsoft Windows open your power settings by clicking on the power or battery icon in the Systray or lower-right corner of the screen as shown in the picture. Once in this screen, the power plan or additional power options can be adjusted, including the brightness settings.

Help Computer Screen Too Dark

Older computers or CMOS setup

Older computers or those not running Windows can often also adjust their brightness settings through CMOS setup.

Screen Too Dark On New Computer

Once in the CMOS setup you'll be looking under the power, display, or video setting depending on the make and model of your laptop.

Additional information

Mac Computer Screen Too Dark

  • See our battery definition for further information and related links.