标签：8770w - 华人论坛

拿到主板 看一下别人修的地方 经测试发现CPU无供电，电流0.3几 经测量发现故障，没有CPU供电开启 EN转换 PWR_GOOD_3 LM393 7PIN 无输出 经测量发现R7028有腐蚀，更换后故障排除 最后有彩蛋 ，...华人论坛

Please help with this problem of Motherboard Elitbook 8770W 6050A2479201 u366 bios mxic25l12845e ic, the laptop is firstly bios passworded but after flash bios with file from official website, the laptop won't boot up, tried many times no re...华人论坛