Lenovo B570e Hardware Maintenance Manual - Page 64
LCD unit, 1050 Optical drive
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Remove the system board in the direction shown by the arrow 4 . 4 b a a When installing: When attaching the system board to the base cover, adjust the placement of the wireless radio switch as shown in b , and make sure that both of the audio jack and the microphone jack are attached to the holes on the base cover as shown in a . Improper placement of the switch or those jacks might cause a damage. 1110 LCD unit For access, remove these FRUs in order: • "1010 Battery pack" on page 46 • "1020 Dummy card" on page 47 • "1030 Hard disk drive (HDD)/memory module/mini PCI Express Card slot compartment cover" on page 47 • "1040 Hard disk drive" on page 48 • "1050 Optical drive" on page 49 • "1060 Memory module" on page 50 • "1070 PCI Express Mini Card for wireless LAN/WAN" on page 51 • "1080 Keyboard" on page 53 • "1090 Keyboard bezel" on page 54 • "1100 System board assembly" on page 56 58 Hardware Maintenance Manual