Toshiba Equium 5160D Series Preliminary Maintenance Manual page 84

Replacing the RTC Battery
To install an RTC battery, perform the following procedure and see Figure 4-30.
1. Align the battery with its socket on the system board, ensuring that the positive side of
the battery is up. Gently press down on the battery until it snaps into place.
2. Replace the FDD/HDD mounting bracket. (Refer to section 4.7.2.)
3. Replace the computer's cover. (Refer to section 4.2.2.)
4. Connect the power cord and all external cables to the computer and turn on the power.
Fan
This section covers the removal and replacement of the fan.
Removing the Fan
To remove the fan, perform the following procedure and see Figure 4-31.
1. Turn off power to the computer, then disconnect the power cord and all external cables
connected to the computer.
2. Remove the computer's cover. (Refer to section 4.2.1.)
3. Remove the system board. (Refer to section 4.8.1. or 4.9.1. as appropriate).
4. Insert a thin, long screwdriver shaft through the outside holes in the fan's casing. Align
the head of the screwdriver with the center of the retaining pin. Use the screwdriver to
push the pin forward until it pops free of the casing and the chassis. Repeat for each
pin.
5. Pull the fan away from the chassis.
Equium™ Series Maintenance Manual --------------------------------------------------------- 4-40
Figure 4-30 Removing and Replacing the Battery