CAUTION: Once the system board assembly has been removed from the computer, follow the instructions in the tech
sheet that is dispatched with the replacement system board assembly.
CAUTION: Do not use an alcohol wipe to clean the Element 31 thermal grease from the processor (CPU) chip which is
surrounded by the processor (CPU) barrier sheet. The alcohol solution from the wipes dissolves the Element 31 grease
into conductive metal particles. If these conductive metal particles come into contact with the surface of the system
board, it causes an electrical short when your computer is turned on.
Installing the system board
CAUTION: The information in this installation section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
NOTE: When installing this component, see the Tech Sheet that is bundled with the service kit. The presence of Element 31
grease in the computer depends on the discrete Graphics Processing Unit (GPU) configuration installed.
To determine if your computer has Element 31 grease applied on the CPU or GPU, see the following table.
Table 27. CPU or GPU supporting Element 31 grease
GPU Element 31 grease
NVIDIA GeForce RTX 4080 Present in both CPU and GPU
The following image indicates the connectors on your system board.
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