***THIS IS MY FIRST INSTRUCTABLE. PLEASE THINK BEFORE COMMENTING***
Step 1: Identify the problem of why it possibly overheated
Step 2: Unplug your Xbox 360's power cord
Step 3: Remove all memmory items
Step 4: Take off front cover.
Step 5: Cool it down
Step 6: Prevention
1st, permanently keep a fan by the back of your Xbox.
2nd, don't put your Xbox in an area that doesn't get enough air circulation.
3rd, don't play your Xbox for so long that it lets it heat up.