Lenovo H520s Lenovo H520s Hardware Maintenance Manual - Page 47

Replacing the Wi-Fi card - wi fi

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Step 8. Holding the sides of the microprocessor with your fingers, remove the protective cover 1 that protects the gold contacts on the new microprocessor. 2 Step 9. Holding the sides of the microprocessor with your fingers, position the microprocessor so that the notches on the microprocessor are aligned with the tabs in the microprocessor socket. Important: To avoid damaging the microprocessor contacts, keep the microprocessor completely level while installing it into the socket. Step 10. Lower the microprocessor straight down into its socket on the motherboard. Step 11. To secure the microprocessor in the socket, close the microprocessor retainer and lock it into position with the small handle. Step 12. Use a thermal grease syringe to place 5 drops of grease on the top of the microprocessor. Each drop of grease should be 0.03ml (3 tick marks on the grease syringe). Step 13. Reattach the heat-sink, microprocessor fan, and the computer cover. Replacing the Wi-Fi card Note: For this procedure, it helps to lay the computer flat. Chapter 8. Replacing hardware 41

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Step 8.
Holding the sides of the microprocessor with your fingers, remove the protective cover
1
that
protects the gold contacts on the new microprocessor.
2
Step 9.
Holding the sides of the microprocessor with your fingers, position the microprocessor so that the
notches on the microprocessor are aligned with the tabs in the microprocessor socket.
Important:
To avoid damaging the microprocessor contacts, keep the microprocessor completely level
while installing it into the socket.
Step 10. Lower the microprocessor straight down into its socket on the motherboard.
Step 11. To secure the microprocessor in the socket, close the microprocessor retainer and lock it into
position with the small handle.
Step 12. Use a thermal grease syringe to place 5 drops of grease on the top of the microprocessor. Each
drop of grease should be 0.03ml (3 tick marks on the grease syringe).
Step 13. Reattach the heat-sink, microprocessor fan, and the computer cover.
Replacing the Wi-Fi card
Note:
For this procedure, it helps to lay the computer flat.
Chapter 8
.
Replacing hardware
41