blackout again

yesterday
about 9plus pm,
hostel here blackout...
dis was the third times lo since im here.
dat time im using laptop,
by using electric,
then suddenly blackout,
then u noe wat happen lo.
laptop was off...
arghhh!!
the electric back abt 11plus o 12midnight.
after a few minutes, blackout Again!!
wait till electric back Again then i went to my bed,sleep liaw.
bcoz during blackout,
its hot inside the room...