How to repair power light is not working in my desktop?

[fixotip]

My desktop power light stop blinking since morning. Working green light is working perfectly fine.

 

[MaikuTech]

Make the motherboard inside the case isn't too lose, make sure the power cables to the case buttons are on properly.
Otherwise you will experience the same issue everytime and you will need to do a cold hard cmos reset just to get it going again.
Thats something you will not like doing at all.