1. Firstly, check whether the network is working.
    (The fastest way is to check if you could receive e-mail. The network behaves normally if you could.)
  2. Check your configuration subsequently:
      Start →
      Control Panel →
      Network and Internet →
      Internet Options. Verify your setting as mentioned above.
  3. Connect to www.yzu.edu.tw to check whether the connection is normal.
    Please also click in your browser
      "tool" → "Internet option"
    as shown in figure

 temporary_internet_files