I managed to turn back the power and change the light bulb and resumed what I was doing earlier. That was when I realized the wifi connection was lost. Once again, the router was blinking and I could no longer connect to the internet.
So here I am trying to blog again using my M1 broadband USB stick. Sigh, I don't know when the wifi would be working again but I will try to post the next few posts without photos and add them on when the wifi is working again.
NB on 18 Apr 11: All it took was to take out the cable, plug it back in and restart the router.