Acer Altos G5350 Series - Manual (Page 68)

3 System upgrade 58
6 Press the retainer lever down to lock the CPU in place (2).
To install the HSF assembly:
1 Apply thermal grease.
Apply approximately 0.1ml of the thermal grease compound to
the top of the CPU.
2 Install the heat sink fan assembly
(1) Move the handle of the retaining clip slightly in a direction
away from the heat sink.
(2) Align the heat sink fan assembly to the heat sink base (1).
Note: Make sure to install both sides of the retaining clips.
(3) Secure the retaining clip to the tabs in the heat sink base by
aligning the clip holes over the tabs (2).