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?
% @* P, {; S* Q/ W% N* zthanks first

越来越开心

What is the Operate System? win98? win2k? winXp?

; _- R5 `9 Y; d: _2 F9 ]  Tcheck your control panel, run 'region', install all of chinese code, then your problem will resolue.