According to the [http://tim.id.au/laptops/lenovo/thinkpad%20edge14%20edge15%20e40%20e50.pdf|service manual] the CPU can be removed.
Scroll to p.89 to view the necessary pre-requisite steps and then the procedure to remove/replace the CPU.
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Also this [https://linustechtips.com/main/topic/702572-cpu-upgrade-for-lenovo-thinkpad-edge-15-0301ffg/|link] may be of some interest if you plan to upgrade the CPU
Hi @pbenny ,
According to the [http://tim.id.au/laptops/lenovo/thinkpad%20edge14%20edge15%20e40%20e50.pdf|service manual] the CPU can be removed.
Scroll to p.89 to view the necessary pre-requisite steps and then the procedure to remove/replace the CPU.