Lenovo Legion Y540-15 Series Hardware Maintenance Manual page 54

"Remove the lower case" on page 30
"Remove the battery pack" on page 31
"Remove the coin-cell battery" on page 32
"Remove the Solid State Drive (SSD)" on page 33
"Remove the Hard Disk Drive (HDD)" on page 35
"Remove the memory modules" on page 37
"Remove the Wi-Fi card" on page 38
"Remove the heat sink" on page 40
"Remove the fans" on page 40
"Remove the I/O board" on page 42
"Remove the speakers" on page 43
"Remove the system board" on page 45
Step 1. Push forward the strip cover to remove it.
Figure 40. Remove the strip cover
Step 2. Remove the 2 screws.
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Hardware Maintenance Manual