Lenovo Legion Pro 7i Hardware Maintenance Manual page 50

Before removing or applying the liquid metal, make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
"Remove the solid-state drive (SSD) plate (L or R)" on page 29
"Remove the solid-state drive (SSD)" on page 30
"Remove the battery pack " on page 32
"Remove the thermal module" on page 37
Attention:
Be sure to wear the antistatic gloves for protecting you and your computer.
The sponge should be replaced only when it is stained or damaged.
Liquid metal is electrically conductive. Make sure the liquid metal only be applied on the CPU die surface
within the sponge. Clean the liquid metal immediately when it was accidentally spilled on the system
board.
Liquid metal should only be applied to CPU. Do not use it on GPU or any other components.
Liquid metal service tools
The following table lists tools for removing or applying the liquid metal. These tools are provided in a liquid
metal service kit. Prepare them when the liquid metal needs to be removed or applied.
Table 5. Liquid metal service tools
Service tool
Liquid metal injector
Needle
Brush
Cleaning solution
Wet and dry wipes
Sponge for Intel CPU
Sponge for AMD CPU
Straw
Protection card
Antistatic gloves
Note: The protection card has two holes in different shapes. The rectangle hole is for the Intel CPU, and the
T-shaped hole is for the AMD CPU.
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Hardware Maintenance Manual
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