It is clear that when you notice Xbox 3 red lights your console is experiencing a general hardware failure which is also known as the red ring of death. When the green lights go away and are fixed with red ones then obviously there is a problem. There is nothing you could have done to prevent this problem as it is a flaw of the Xbox. If you want to be able to use your Xbox again, you have to have it repaired.
When the Xbox 3 red lights occurs, the Xbox doesn't function. Many know about this problem but are still attached to their Xbox anyway. The greatest way really is to be ready and to know how to solve these problems quickly when they occur. If your fortunate and your Xbox is still under warranty, then you can just send it to Microsoft for repairs, however if not, you need to find other options as it is just too expensive to have it fixed with them.
Don't assume your Xbox to work when it gets hit with the Xbox 3 red lights for the reason that this is a general hardware failure. A lot of those who studied this say this problem is due to the graphics card. Really this problem is caused by the manufacturer not perfecting this product yet, it said though that the latest versions aren't as problematic.
You can expect a ton of problems to take place with your Xbox, on top of Xbox 3 red lights. The most major of all problems is already the red ring of death so you should be prepared for this.
Repairing your Xbox yourself is really the most logical solution. Fix any problem with your Xbox with a good repair guide.
Any problem you have with Xbox 3 red lights and other errors, you can fix with the aid of 3 Red Light Fix.