power indicator meaning in Chinese

电源指示器
功率指示计
功率指示器
功率指针

" does your monitor have a power indicator ?
显示器上的电源指示灯有没有亮？
" does your monitor have a power indicator ?
"你的显示器电源指示灯亮吗？
The power indicator was on , and it was running , but somehow the sound didn ' t come through
电源指示灯是亮的，并且正常工作，但是为什么声音就是出不来呢？
The power indicator was on , and it was running , but somehow the sound didn ' t come through
电源指示灯是亮的，并且正常工作北京现代汽车但是为什么声音就是出不来呢？