Toshiba 400CS User Manual page 153

4.15 System Board and Fan
Removing the System Board and Fan
To remove the system board and fan, follow the steps below and refer to figures 4-33 and
4-34.
1. Turn the computer's power off. Disconnect the AC power cord and all external
cables connected to the computer.
2. Remove the battery pack, optional PCMCIA card, optional memory module,
diskette drive or CD ROM drive, HDD, keyboard, sub-battery and VGA board,
top cover and display assembly, sound card and AccuPoint button contacts, AC PS
unit, infrared board, and speaker as described in sections 4.2 through 4.14.
3. Remove 8 M2.5x6 screws and one M2.5x8 silver screw.
4. Lift out the back-guide assembly, the push-spring assembly, and the system
board.
4-36
Figure 4-33 Removing the system board
400 Series