Lenovo B590 Hardware Maintenance Manual - Page 75

LCD unit, Attention, Removal steps of CPU, When installing

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Page 75 highlights

• "1090 Keyboard" on page 53 • "1100 Keyboard bezel" on page 56 • "1130 Microphone assembly" on page 60 • "1150 System board assembly and USB board" on page 62 • "1170 Thermal module" on page 66 Attention: The CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling. Removal steps of CPU Rotate the head of the screw in the direction shown by the arrow 1 to release the lock, then remove the CPU 2 . 1 b a 2 When installing: Place the CPU above the CPU socket a , and then rotate the head of the screw in the direction shown by the arrow b to secure the CPU. 1190 LCD unit For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1020 Bottom slot cover" on page 44 • "1030 Optical drive" on page 45 • "1040 Memory modules" on page 46 • "1050 Hard disk drive assembly" on page 47 • "1060 PCI Express Mini Card for wireless LAN" on page 49 • "1070 mSATA solid state drive" on page 51 • "1080 Backup battery" on page 52 • "1090 Keyboard" on page 53 Chapter 7. Removing and replacing a FRU 69

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•
“1090 Keyboard” on page 53
•
“1100 Keyboard bezel” on page 56
•
“1130 Microphone assembly” on page 60
•
“1150 System board assembly and USB board” on page 62
•
“1170 Thermal module” on page 66
Attention:
The CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling.
Removal steps of CPU
Rotate the head of the screw in the direction shown by the arrow
1
to release the lock, then remove the
CPU
2
.
2
a
b
1
When installing:
Place the CPU above the CPU socket
a
, and then rotate the head of the screw in the
direction shown by the arrow
b
to secure the CPU.
1190 LCD unit
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1020 Bottom slot cover” on page 44
•
“1030 Optical drive” on page 45
•
“1040 Memory modules” on page 46
•
“1050 Hard disk drive assembly” on page 47
•
“1060 PCI Express Mini Card for wireless LAN” on page 49
•
“1070 mSATA solid state drive” on page 51
•
“1080 Backup battery” on page 52
•
“1090 Keyboard” on page 53
Chapter 7
.
Removing and replacing a FRU
69