how to replace laptop motherboard

{"cid":"91208914","title":"IR Phone BGA Rework Station IC Replacement For Motherboard Mobile Rework Station","imgUrl":"https:\/\/img.chinax.com\/nimg\/22\/87\/7c0b4c11217f206141d904a74513-200x200-1.jpg","attrs":{"Price":"$3,200.00\/Sets","Brand Name":"WISDOMSHOW","Place of Origin":"Other Country","Certification":"CE, CE","Packaging Details":"Wooden box","Machine Type":"Welding Manipulator","Applicable Industries":"motherboard repair shops","Warranty":"1 Year","Voltage":"AC 110V\/220V\u00b110% 50\/60Hz","Current":"N","Rated Capacity":"N","Rated Duty Cycle":"N","Dimensions":"L450*W470*H650mm","Usage":"repair motherboard, Repair motherboard IC","Application":"Welding","Total power":"Max 2600W","Power supply":"AC 110V\/220V\u00b110% 50\/60Hz","Heater power":"Upper temp.zone 1200W,second temp.zone 1200W","PCB size":"Max 140*180mm Min5*5mm","Overall dimension":"L450*W470*H650mm","Temperature Interface":"1 pcs","Weight of machine":"30KG","Weight":"30KG","After-sales Service Provided":"Free spare parts, Video technical support, Online support"}}

{"cid":"91188472","title":"Motherboard Laptop Spare Parts Intel i5-6440U 2.6GHz KP60X 0KP60X For Dell Latitude E5470 LA-C832P","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/81\/e186c88939f07a5b1eec0f62d4fb-200x200-1.jpg","attrs":{"Price":"Discuss Personally","Brand Name":"Dell","Model Number":"Latitude E5470","Minimum Order Quantity":"5","Place of Origin":"China","Payment Terms":"Paypal","Supply Ability":"10 per Months","Condition":"New","DP\/N":"KP60X 0KP60X","Item Weight":"2kg","Warranty":"90 day","Control Covers":"Motherboard Sytem Boards"}}

{"cid":"91170250","title":"Black 7 Pin External SATA Cable , PC PCB ESATA To SATA Cable With Power","imgUrl":"https:\/\/img.chinax.com\/nimg\/1a\/77\/f970399970b3278f08fa05415a73-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"SHUANG YI","Model Number":"External SATA Cable","Minimum Order Quantity":"Negotiation","Delivery Time":"7~10 Work Days","Certification":"ISO9001\/SGS\/UL\/RoHS\/Reach","Place of Origin":"Guangdong, China (Mainland)","Supply Ability":"100000 Pieces Per Month","Packaging Details":"1. Custom polybag packing 2. Custom paper box packing 3. According to client's request","Use":"TV PC PCB Computer Power","Function":"Data transfer and power supply","Color":"Black","Interface":"ESATA 7Pin","name":"Esata To Sata Cable","transfer rate":"SATA II 3.0 Gb\/s"}}