Remove The I/O Board - Lenovo Legion Y740 Series Hardware Maintenance Manual

Step 2. Carefully remove the speakers off the piles.
Figure 51. Remove speakers – Lenovo Legion Y740–15
Figure 52. Remove speakers – Lenovo Legion Y740–17

Remove the I/O board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 33
"Remove the battery pack" on page 34
"Remove the Wi-Fi card" on page 44
"Remove the subwoofer (for Lenovo Legion Y740–17)" on page 47
"Remove the heat sink and fan assembly" on page 48
"Remove the speakers" on page 50
Step 1. Disconnect the cable between the I/O board and the system board.
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Chapter 4 Removing a FRU or CRU
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