dell5502brightness

Decreasebrightness.F7fn+F7.Increasebrightness.F8fn+F8.Switchtoexternaldisplay.F10fn+F10.Printscreen.F11fn+F11.Home.F12fn+F12.End.,LCDBrightness.Brightnessonbatterypower(使用電池電力.時的亮度).設定電腦使用電池電力運作時的螢幕亮度。BrightnessonACpower(使用AC電源時的.亮度).,,Decreasebrightness.F7,fn+F7,Increasebrightness.F8,fn+F8,Switchtoexternaldisplay.F10,fn+F10,Printscreen.F11,fn+F11,Home.F12,...

參考資訊如下
Inspiron 15 5502 Setup and Specifications

Decrease brightness. F7 fn + F7. Increase brightness. F8 fn + F8. Switch to external display. F10 fn + F10. Print screen. F11 fn + F11. Home. F12 fn + F12. End.

Inspiron 15 5502 維修手冊

LCD Brightness. Brightness on battery power (使用電池電力. 時的亮度). 設定電腦使用電池電力運作時的螢幕亮度。 Brightness on AC power (使用AC 電源時的. 亮度).

Display - Inspiron 15 5502 Setup and Specifications

Inspiron 15 5502 Setup and Specifications

Decrease brightness. F7, fn + F7, Increase brightness. F8, fn + F8, Switch to external display. F10, fn + F10, Print screen. F11, fn + F11, Home. F12, fn + F12 ...

Inspiron 15 5502 Service Manual

LCD Brightness. Brightness on battery power, Sets the screen brightness when the computer is running on battery power. Brightness on AC power, Sets the screen ...