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Can someone make and send me an ifixit guide for replacing the cpu on this computer?

Sadly you can’t replace the CPU as its soldered directly to the logic board as you can see here

Here’s a full breakdown of your system How To Acer Chromebook C710 C720 C730 Full Teardown Complete Disassembly: Screen, Motherboard & Palmrest If your system is dead you’ll need a new logic board otherwise it is what it is, sorry.