You can knock directly on WhatsApp. All over okay. There is no problem of any kind. You will get two months warranty on the battery. One year warranty on hard disk. Battery guarantee for two to three hours of heavy use. You can come to the location and check it as long as you want. The price can be negotiated up and down. Those who want to use it moderately for small light official work and do multimedia consumption, this will be a better choice for them. And those who are beginners in photography, this will be effective for them. Those who want to do Facebook marketing, affiliate marketing can take this. And can be used effortlessly for a couple of years. Thank you. The video link of the laptop is given, click on the link and watch the full video so there will be no confusion about the outside of the laptop.