How can I upgrade the hardware of my Inspiron 3521 laptop, which has a soldered CPU and an Intel HD 4000 GPU? I want to improve the performance of my laptop without buying a new one. However, I noticed that the CPU is soldered to the motherboard, which makes it difficult to replace. Is there a feasible method to remove the soldered CPU and install a new one? Additionally, I would like to know if I can enable Secure Boot and TPM 2.0 on my laptop, and if I can upgrade the GPU to a better model than the Intel HD 4000. TechNsight
