Owner's Manual
Table Of Contents
- About this manual
- Chapter 1. Safety information
- Chapter 2. General checkout
- Chapter 3. Identifying FRUs (CRUs)
- Chapter 4. Removing a FRU or CRU
- Service tools
- General guidelines
- Removal procedure for IdeaPad Flex 5 14IAU7 and IdeaPad Flex 5 14ALC7
- Remove the lower case
- Remove the battery pack
- Remove the solid-state drive (SSD)
- Remove the Wi-Fi card
- Remove the heat sink
- Remove the fan
- Remove the I/O board
- Remove the I/O board cable
- Remove the fingerprint board module
- Remove the speakers
- Remove the antenna
- Remove the touchpad cable
- Remove the system board
- Remove the touchpad
- Remove the LCD unit
- Remove the upper case
- Disassemble the LCD unit
- Removal procedure for IdeaPad Flex 5 16IAU7 and IdeaPad Flex 5 16ALC7
- Remove the lower case
- Remove the battery pack
- Remove the solid-state drive (SSD) module
- Remove the Wi-Fi card
- Remove the heat sink
- Remove the fan
- Remove the I/O board
- Remove the I/O board cable
- Remove the fingerprint board module
- Remove the speakers
- Remove the antenna
- Remove the touchpad cable
- Remove the touchpad
- Remove the system board
- Remove the LCD unit
- Remove the upper case
- Disassemble the LCD unit
- Appendix A. Label locations
- Trademarks
Figure 28. Disconnect cables connected to the system board
Step 4. Remove two screws and then remove the system board.
Figure 29. Remove the system board
Screw specifications Number of screws
M2 x L3.5 2
Go to
https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
System board
Use a Golden Key U1 tool to flash-write key id information
After replacing the system board and re-assembling the computer, use a pre-made Golden Key U1 tool to
start the computer and flash-write the serial number (SN), machine type (MT), product name (PN), and UUID
to the new system board.
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Hardware Maintenance Manual