Lenovo ThinkPad W541 (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 97

System board and base cover, torelease, shown by the arrow, tosecurethemicroprocessor.

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Page 97 highlights

• "1110 Keyboard" on page 68 • "1120 Keyboard bezel assembly" on page 73 • "1150 LCD unit" on page 82 • "1160 Magnesium structure frame" on page 85 • "1190 Thermal fan assembly" on page 88 Removal steps of the microprocessor Rotate the head of the screw using the Torx screwdriver in the direction shown by the arrow 1 to release the lock; then remove the microprocessor 2 . After that, peel the mylar off from the microprocessor as shown by the arrow 3 . 2 3 11 44 When installing: Place the microprocessor in the microprocessor socket, and then rotate the head of the screw using the Torx screwdriver in the direction shown by the arrow 4 to secure the microprocessor. 1220 System board and base cover Important notices for handling the system board When handling the system board, read the following: • The system board has an accelerometer, which can be broken when several thousands of G-forces are applied. Chapter 9. Removing or replacing a FRU 91

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• “1110 Keyboard” on page 68
• “1120 Keyboard bezel assembly” on page 73
• “1150 LCD unit” on page 82
• “1160 Magnesium structure frame” on page 85
• “1190 Thermal fan assembly” on page 88
Removal steps of the microprocessor
RotatetheheadofthescrewusingtheTorxscrewdriverinthedirectionshownbythearrow
1
torelease
thelock;thenremovethemicroprocessor
2
.Afterthat,peelthemylarofffromthemicroprocessoras
shown by the arrow
3
.
3
1
4
1
4
2
Wheninstalling:
Placethemicroprocessorinthemicroprocessorsocket,andthenrotatetheheadofthe
screwusingtheTorxscrewdriverinthedirectionshownbythearrow
4
tosecurethemicroprocessor.
1220 System board and base cover
Important notices for handling the system board
Whenhandlingthesystemboard,readthefollowing:
• The system board has an accelerometer, which can be broken when several thousands of G-forces
are applied.
Chapter 9
.
Removing or replacing a FRU
91