what's wrong with my computer

bingbing

hi, friends, i have another problem. in my computer, some chinese websit show chinese that i can read , like this websit, but the others show "luan ma", like " Edmonton hua ren sheng huo lun tan". who can tell me why? and how to deal with it?
7 r; O3 E4 H2 D5 \& ~thanks first

越来越开心

What is the Operate System? win98? win2k? winXp?
  ~2 O7 h3 o$ H- L+ \& ^
check your control panel, run 'region', install all of chinese code, then your problem will resolue.