Lenovo Lenovo Y7000 2019 boot screen, a MATS USB flash drive connected to automatically run, you can get the test results, disassemble the machine, and put the machine on the heating platform; At the same time, prepare a new GDDR6 video memory of SAMSUNG, and the motherboard will feel hot. You can begin to disassemble the video memory, then handle the pads and solder the new video memory.