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upgrading cpu & mobo
This is probably a noob question. I am thinking about upgrading my HP computer's Cpu and MoBo. I currently run i3-530 with stock motherboard H57 chipset. I want to upgrade to i5 2500k with a p67chipset. Windows 7 came preloaded with no installation DVD. What are the chances of upgrading and the system booting right up without having to do a clean install? If I have to reinstall OS can I spare the info on my harddrive or must it be reformatted.
Thank You Very much for your help.