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8. Route the cable of the new cover presence switch, and align the notch 2 on the cover presence switch
with the tab
1 in the chassis. Then pivot the cover presence switch bracket as shown until it snaps into
position.
Figure 13. Installing the cover presence switch bracket
9. Connect the cable of the new cover presence switch to the system board. See “Parts on the system
board” on page 8.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 135.
Direct cooling air baffle
Attention: Do not open your computer or attempt any repair before reading and understanding the “Read
this first: Important safety information” on page iii.
To remove or install the direct cooling air baffle, do the following:
1. Prepare your computer. See “Preparing your computer and removing the computer cover” on page 59.
Chapter 7. Hardware removal and installation 63
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