Toshiba Magnia 3310 - Manual (Page 103)

Installing and Removing Hardware
Memory module
85
See the steps 4 and 5 in “Installing the expansion card” on page
132.
7 Remove the exhaust fan unit cable from the motherboard.
Removing the exhaust fan unit cable
8 Turn the screws for securing the exhaust fan unit
counterclockwise to release the lock.
Be sure to turn the screws while holding the fan unit with your
hands to prevent the exhaust fan unit from falling.
Releasing the lock of exhaust fan unit