Gaming takes a heavy toll on the laptop so your average 2 or more year gaming laptop needs repairs and why they are selling it is usually it is failing in some way.

However in that price range I'd look at the Lenovo AMD A10 model since Minecraft will run. Not spectacularly but it will run.

http://www.newegg.com/Product/Product.aspx?Item=N82E16834317602

http://www.notebookcheck.net/AMD-Kaveri-A10-7300-Notebook-Processor.117333.0.html compares it to the nvidia 720m which pegs Minecraft at enough FPS ( https://www.youtube.com/watch?v=qllSbUUcgC8 )

http://www.tomsguide.com/answers/id-2197697/amd-laptop-processor-minecraft-skype-internet-homework.html repeats this but my looking around seems to give the win to Lenovo.
Bob