Apple Macintosh Performa 5400 Series - Manual (Page 123)

9 Unplug the power cord from your computer.
You can unplug the power cord now that you discharged static electricity in
the previous step.
10 Gently pull down on the wire handle and swing it out to unlock it from its storage
position. Then grasp the handle and pull the logic board out of the computer.
The vertical plate and the logic board to which it’s attached slide all the way
out of the computer. Carefully support the logic board as it comes out.
Wire handle
Unplug the power
cord from the back
of the computer.
122 Appendix B