You may notice that when you disconnect the laptop from the electrical connection, the screen automatically dims and you have to manually adjust the screen brightness. This can be very annoying if you frequently connect / disconnect your device. You can disable this feature on your computer very easily.
Fix-1 Disable Battery from Device Manager-
Disabling battery powered devices on your computer will fix this problem.
Disabling battery-powered devices on the system will remove the battery icon (which shows the percentage of charge) from the system tray and disable other power options.
1. Press Windows key + X and then click "Device administrator".
Device Administrator window will open.
2. In the Device Administrator window, click "battery”To expand it.
3. Hence, the right mouse button on the second battery device "According to Microsoft ACPI"
4. Finally, click on "Deactivate device”To deactivate the battery.
In this way, disable all battery powered devices in 'Battery'.
Note: - If it doesn't work, enable it and try disabling the other in the list.
Now you will see that there is no battery icon on the Taskbar and all power options disabled.
The laptop screen does not darken further when disconnected from the power supply.
Your problem should be solved.
If you want to reactivate battery-powered devices on your computer, follow these steps:
1. To open the Device Administrator window, press Windows key + X and then click "Device administrator".
2. In the Device Administrator window, expand "battery".
3. Now, the right mouse button on the disabled device and then click "Enable device”To enable it on your computer.
By following this process (step 3), you can reactivate battery-powered devices on your computer.
Method 2 Change the power saving technology of the display
Changing the power saving technology settings will solve this problem.
1. Press Tasto Windows + R have lunch Running window on your computer.
2. Now type "Control Panel“And then press Pay in open Control Panel window.
3. In the Control Panel window, in the upper right corner, click the search box and then type "intel".
4. Now click on "Intel HD graphicsThat will appear in the search results.
5. In the Intel HD Graphics Control Panel window, click "Power”Configuration to change it.
6. In the Power settings window, on the left side of the window, click "Into the battery".
7. Now under 'Screen Power Saving Technology' settings, click "Disable”To disable it.
8. Finally, in the far right corner, click on "Request”To apply the settings on your computer.
Close the Intel HD Graphics Control Panel window.