Heat sink and microprocessor replacement
Use this information to remove and install a heat sink and microprocessor.
Important
Check if the firmware version of the system meets the requirement stated in Tip on firmware update for new processors before installing the following processors: 7203, 7203P, 7303, 7303P, 7643P, and 7663P. If not, update the firmware to the required version by following the instructions provided.
Attention
Before reusing a processor or heat sink, make sure you use Lenovo proven alcohol cleaning pad and thermal grease.
Depending on your configuration, refer to the specific topics to remove or install the heat sink and processor:
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