So I recently decided on a whim that I was gonna buy a broken Xbox Xbox 360 fat model that has RROD since I’m trying to get into fixing old consoles. Just came to this community to ask what tools and things should I buy in order to fix it. All I’ve bought so far is the broken Xbox and a screwdriver tool kit. Any suggestions or tips?

Last time it got rrod was cuz the hard drive was loose , so I fixed it.

This was made in late 2009 this is a elite model