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Recently I bought a Samsung ATIV Book 9 Plus laptop which comes with Windows 8. It has HD4400 graphics.
When I use the laptop on battery, the colours on the screen appear dim compared to when it was plugged in.
I checked the Power options and disabled the settings in the Samsung apps which could interfere with the display.
Brightness for Battery and Plugged In are set to 50% and adaptive brightness is disabled. I thought it might be
related to the Display Power Saving Technology in the Intel Graphics options so I turned that off but it makes
no difference. Increasing the brightness makes the screen brighter but the colour is still dim.
The colours were fine after I reinstalled the graphics driver. But when the system was restarted, the problem
came back.
Any ideas? Thanks
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Hi nuvolari7,
Based on your description, I recommend you updating the bios in your system and installing the latest driver provided by the computer manufacturer.
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The latest bios and graphics driver are installed on the system. I disabled Microsoft ACPI-Compliant Control Method Battery in Device Manager. This makes the system think it is not running on battery so the colours became ok but the power icon is gone.
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I just tried disabling the graphics driver before shutdown/restart and enabling the graphics driver on startup. This fixes the colour but it is inconvenient to keep doing this.
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