1140 Base Cover, Speakers Assembly And Bluetooth Daughter Card - Lenovo B470e Hardware Maintenance Manual

Removal steps of CPU
Rotate the head of the screw in the direction shown by the arrow
CPU 2 .
When installing: Place the CPU above the CPU socket, and then rotate the head of the screw in the
direction shown by arrow

1140 Base cover, speakers assembly and bluetooth daughter card

For access, remove these FRUs in order:
• "1010 Battery pack" on page 44
• "1020 Dummy card" on page 44
• "1030 Bottom slot cover" on page 45
• "1040 Hard disk drive" on page 45
• "1050 Optical drive" on page 46
• "1060 Memory modules" on page 47
• "1070 PCI Express Mini Card for wireless LAN/WAN" on page 48
• "1080 Keyboard" on page 49
• "1090 Keyboard bezel" on page 51
• "1100 System board assembly" on page 53
• "1110 LCD unit" on page 55
60
Hardware Maintenance Manual
b to secure the CPU.
1
to release the lock, then remove the