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b. Touch only the edges of the microprocessor. Do not touch the gold contacts on the bottom.
c. Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must
be kept as clean as possible.
Step 8.
Ensure that the small handle is in the raised position and the microprocessor retainer is fully open.
Step 9.
Remove the protective cover that protects the gold contacts of the new microprocessor.
Step 10. Note the orientation of the new microprocessor. Hold the new microprocessor by its edges and
align the notches
new microprocessor straight down into the microprocessor socket.
Note: The small triangle
indicator. The new microprocessor is in the correct orientation when this indicator points to the beveled
4
corner
of the microprocessor socket.
Step 11. Close the microprocessor retainer and lock it into position with the small handle to secure the new
microprocessor in the socket.
Step 12. Reinstall the heat sink and fan assembly.
Step 13. Reinstall all the removed parts, and then reconnect the cables.
Replacing the front fan
To replace the front fan (optional):
Step 1.
Remove any media from the drives, shut down the operating system, and turn off the computer and
all attached devices.
Step 2.
Unplug all power cords from electrical outlets.
Step 3.
Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to Locating connectors,
controls and components to locate the various connectors.
Step 4.
Remove the computer cover. Refer to Removing the computer cover.
Step 5.
Remove the front bezel. Refer to Removing the front bezel.
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Lenovo Legion Y520 Tower Hardware Maintenance Manual
1
on it with the tabs
2
in the microprocessor socket. Then, carefully lower the
3
on one corner of the new microprocessor is the microprocessor orientation
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