Before buying the product, please confirm carefully whether the modelnumber matches your computer type;

If you don’t know the model number which you need or have otherproblems, please contact us to avoid the inconvenience caused by buying theitem of wrong model.

If you aren’t satisfiedwith our product or service, please communicate with us, instead of leaving a neutralor negative response. We will try our best to resolve the issue. I would be verygrateful for giving us an opportunity to improve our service.