Dust lter
1. Prepare the computer for disassembly (see Preparation for disassembly on page 20).
2. Remove the access panel (see Access panel on page 21).
3. Stand the computer upright with the front facing toward you.
4. Detach the dust lter from the front of the computer.
Reverse this procedure to install the dust lter.
22 Chapter 4 Removal and replacement procedures