Here is a trick to access internet from the PC in your computer lab.
Step 1: The PC must be connected to the LAN.
Step 2: Go to your library and check the IP address of any Computer in library as internet is generally accessible from the library computer.
Step 3: Now come back on your PC and go to Start-> All programs -> accessories-> communications -> Remote desktop connection
Step 4: In the space provided just enter the IP address of your library computer.
Step 5: You are now watching the library computer's Login screen.
Step 6: Type in the Username and password and login.
Step 7: Just open the Internet explorer or Mozilla Firefox and Hurray !!! you can access internet from your lab.
1. Disable Remote desktop in your computer so that others can't remotely login to your PC.