The screen brightness of the laptop cannot increased or decreased using the function keys ( Fn + F6 ), how to fix this issue? Let's disc...
The screen brightness of the laptop cannot increased or decreased using the function keys ( Fn + F6 ), how to fix this issue? Let's discuss this.
Some points that we should know about the brightness controller of the laptop display.
1. Brightness is the part of the graphics device.
2. Fn keys will work after the Hotkey installed correctly.
3. Fn + F6 or F7 will work if not problem with these keys of the keyboard.
Graphics device, this is the main device that make the laptop screen work with highest performance. This device will work if its driver software installed correctly depending the type and specification of it. And screen brightness can be controlled by using the Fn keys if the hotkeys driver have installed correctly and no error keys of the Fn key and F6 or F7 as a brightness keys button controller.
So the summary is, if the screen brightness cannot increase on your laptop you can follow the steps below one by one.
1. Check the graphics device drivers. You can search the match graphics driver of your laptop in this site, install the driver and try to use the Fn keys to increase the screen brightness
2. Check the hotkeys driver. You can try other option of the fn keys, for example increase the volume or mute key, if work this means the problem not in the hotkeys driver, if not wor you need to install the hotkey driver.
3. Check the F6 or F7 and Fn keys of the keyboard. You can use the Keyboard checker software to check the keys.
After steps above you have done, i think the problem of the screen brightness that cannot increase will fixed.
Some points that we should know about the brightness controller of the laptop display.
1. Brightness is the part of the graphics device.
2. Fn keys will work after the Hotkey installed correctly.
3. Fn + F6 or F7 will work if not problem with these keys of the keyboard.
Graphics device, this is the main device that make the laptop screen work with highest performance. This device will work if its driver software installed correctly depending the type and specification of it. And screen brightness can be controlled by using the Fn keys if the hotkeys driver have installed correctly and no error keys of the Fn key and F6 or F7 as a brightness keys button controller.
So the summary is, if the screen brightness cannot increase on your laptop you can follow the steps below one by one.
1. Check the graphics device drivers. You can search the match graphics driver of your laptop in this site, install the driver and try to use the Fn keys to increase the screen brightness
2. Check the hotkeys driver. You can try other option of the fn keys, for example increase the volume or mute key, if work this means the problem not in the hotkeys driver, if not wor you need to install the hotkey driver.
3. Check the F6 or F7 and Fn keys of the keyboard. You can use the Keyboard checker software to check the keys.
After steps above you have done, i think the problem of the screen brightness that cannot increase will fixed.