46Lenovo ideapad 2in1 14 Hardware Maintenance Manual1100 System boardImportant notices for handling the system board:When handling the system board, bear the following in mind.• Be careful not to drop the system board on a bench top that has a hard surface,such as metal, wood, or composite.• Avoid rough handling of any kind.• During the whole process, make sure not to drop or stack the system board.• If you put a system board down, make sure to put it only on a padded surface, suchas an ESD mat or conductive corrugated material.For access, remove these FRUs in order:• “1010 Base cover” on page 31• “1020 Battery pack” on page 33• “1030 Solid state disk” on page 34• “1040 Hard disk drive” on page 35• “1050 PCI Express Mini Card for wireless LAN” on page 36• “1060 Speakers” on page 38• “1080 Fan and Heat Sink assembly” on page 41• “1090 IO board” on page 44Figure 10. Removal steps of system board (continued)Detach the connectors in the directions shown by arrows 1, 2, 3 and 4.121234When installing: Make sure that the connectors are attached firmly.