Lenovo B4400 Hardware Maintenance Manual - Page 58

CPU

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Lenovo B4400 Hardware Maintenance Manual 1130 CPU For access, remove these FRUs in order: • "1010 Battery pack" on page 34 • "1020 Dummy card (Optional)" on page 35 • "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover" on page 36 • "1040 Hard disk drive" on page 37 • "1050 Optical drive" on page 40 • "1060 DDR3L SDRAM" on page 41 • "1070 Mini PCI Express Card for wireless LAN/WAN" on page 42 • "1080 Keyboard" on page 44 • "1090 Keyboard bezel" on page 46 • "1100 System board" on page 48 • "1120 Fan assembly and Heat Sink assembly" on page 53 Attention: CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling. Figure 13. Removal steps of CPU Rotate the head of the screw in the direction shown by arrow a to release the lock, then remove the CPU in the direction shown by arrow b. a a b 2 When installing: Place the CPU on the CPU socket in the direction shown by arrow , and then rotate the head of the screw in the direction shown by arrow to secure the CPU. 54

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Lenovo B4400 Hardware Maintenance Manual
54
1130 CPU
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 34
•
“1020 Dummy card (Optional)” on page 35
•
“1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover” on page 36
•
“1040 Hard disk drive” on page 37
•
“1050 Optical drive” on page 40
•
“1060 DDR3L SDRAM” on page 41
•
“1070 Mini PCI Express Card for wireless LAN/WAN” on page 42
•
“1080 Keyboard” on page 44
•
“1090 Keyboard bezel” on page 46
•
“1100 System board” on page 48
•
“1120 Fan assembly and Heat Sink assembly” on page 53
Attention:
CPU is extremely sensitive. When you service the CPU, avoid any
kind of rough handling.
Figure 13. Removal steps of CPU
Rotate the head of the screw in the direction shown by arrow
to release the
lock, then remove the CPU in the direction shown by arrow
.
When installing:
Place the CPU on the CPU socket in the direction shown by
arrow
, and then rotate the head of the screw in the direction shown by arrow
to secure the CPU.
a
b
a
b
a
2