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Table 30. Removal steps of CPU
Rotate the head of the screw in the direction shown by arrow 1 to release the lock; then remove the CPU 2 .
2
1 a
When installing: Place the CPU on the CPU socket, and then rotate the head of the screw in the direction shown
by arrow a to secure the CPU.
1170 LCD unit
For access, remove these FRUs in order:
• “1010 Battery pack” on page 60
• “1030 DIMM slot cover” on page 62
• “1050 Hard disk drive slot cover, hard disk drive (HDD) and HDD rubber rails or solid state drive (SSD)
and storage converter” on page 65
• “1060 Keyboard” on page 67
• “1080 PCI Express Mini Card for wireless LAN” on page 71
• “1090 PCI Express Mini Card for wireless WAN” on page 73
• “1100 Keyboard bezel assembly” on page 75
86 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual