Acer Altos R5250 - Manual (Page 64)

3 System upgrade 46
(2) Set the heat sink over the processor, aligning the two captive
screws with the two screw posts surrounding the processor
(A).
(3) Loosely screw in the captive screws on the heat sink (B).
Note: Do not fully tighten one screw before tightening another.
(4) Gradually and equally tighten each captive screw until each is
firmly tightened.
10 Observe the post-installation instructions described on page 28.
To install a second processor:
1 Perform steps 1 through 3 of the previous section.
2 Prepare the processor 2 socket for installation.
Refer to steps 4-1 and 4-2 of the previous section.
3 Install the new processor.
Refer to steps 6 and 7 of the previous section.
4 Install the heat sink.
Refer to steps 8 and 9 of the previous section.
5 Observe the post-installation instructions described on page 28.
CPU2
CPU1
A B