[. . . ] [. . . ] Be sure to turn off the computer before removing the battery pack. 1 Turn off your VAIO computer, disconnect the power cord and all connection cables, and close the LCD screen lid. 2 Loosen the three or two screws with a coin. SVT131 SVT141/SVT151 3 Pull the battery pack slightly in the direction of the arrow. SVT131 SVT141/SVT151 Do not pull the battery pack forcibly when you cannot remove it. Loosen the screws once again. 4 Take the battery pack out of your VAIO computer. Continued on the back side. 4-456-552-11 (1) © 2013 Sony Corporation / Printed in China To reinstall the battery pack Install the battery pack into the battery compartment on the bottom of your VAIO computer. 1 Turn off your VAIO computer, disconnect the power cord and all connection cables, and close the LCD screen lid. 2 Align the battery pack with the front side of the battery compartment. SVT131 SVT141/SVT151 3 Turn the battery pack in the direction of the arrow and push it down into the compartment. SVT131 SVT141/SVT151 4 Tighten the three or two screws with a coin. SVT131 SVT141/SVT151 Your VAIO computer is designed to operate only with genuine Sony battery packs. [. . . ] [. . . ]