You wake up in a bedroom, and a voice tells you that you have been in suspension for 50 days and that in compliance with state and federal regulations, all testing candidates in the Aperture Science Extended Relaxation Center must be revived periodically for a mandatory physical and mental wellness exercise.

Follow the instructions of the announcer. He will tell you to look up and down when you hear the buzzer. After that, walk and stand in front of the framed painting on the wall. Stare at the painting.

portal 2 test chamber 00

Then return to your bed and go to sleep. You will then wake up to some turbulence and hear Wheatley asking you to open the door, and the evacuation scene starts. Jump when Wheatley tells you to say something. Once the scene ends, exit through the demolished wall behind the bed and you will reach test chamber 00.

Exit through the portal (hole) in the wall. and go around the glass chamber.

Enter the room with the red pad.

 Pick up the crate and place it on the red pressure pad to keep the door open.

portal 2 test chamber 00

 Exit the door and continue down the stairs until you see a elevator (chamber). Enter the elevator and it will take you down.

portal 2 test chamber 00

This will take you to Test Chamber 1.