Connect the fan to a power connector. If you??™re using a variable-speed
fan controller, mount it too. (For example, some variable-speed fans have
a controller that mounts in a spare expansion slot, with a control knob
outside the PC.)
Put your PC back together, connect its cables, and restart it.
Step 3: Create a Viewing Window in the Case
To make a viewing window in your PC??™s case (see Figure 11-5), follow these general
steps:
Shut down Windows, turn off the PC, and disconnect all its cables. Put the
PC on a work surface.
Open the case. For example, undo the thumbscrews or screws that secure
the case.
Remove the panel in which you will create the hole.
Measure and mark the hole on the inside of the panel. CD pens and permanent
markers work well on light-colored case panels. If the panel is dark-colored,
use a grease pencil or paper tape to mark the hole.
10.
11.
12.
1.
2.
3.
4.
Figure 11-5
A viewing window in
your PC??™s case lets you
see what??™s going on
inside while it??™s running.
122 Part 1I: Intermediate
Drill through the case at one corner of the shape. Position the drill hole a little
way within the shape so that the hole will not pass the extreme of the shape
even when you expand the hole.
Using a tapered reamer or similar tool, ream the hole until it is large enough
for your cutting tool to pass inside.
If you??™re using metal cutters as your cutting tool, you may need to drill several holes and then
ream them together into a slot.
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