bubba930 :
I'm planning on upgrading my cpu and motherboard, switching from AMD to intel. I want to get an i5 7400, which mobo is cheapest and can still support the cpu? How hard is it to use all the same components but switching the cpu and mobo? Will my pc be able to run properly/even start?
Thanks
you probably have to buy new ram as the i5 7400 uses DDR4, other than that your OS wont work when you replace the mobo, you will need the OS install disk/usb to get the drivers to load and if you have an oem licence you will need to activate a new licence (buy a new licence) otherwise your windows will be an unregistered copy.
Is better to do a clean install when you change the mobo, to avoid registry and drivers issues and underperformance doe to it.
Now have you checked the new AMD ryzen cpus? they are worth checking before rushing to intel.