Hello,
this is my first request of help. I'm an hobbyist without electronic skills, just willing to repair some laptop of friends.
I have a Lenovo G50-70 ACLU1/ACLu2 NM-A271 Rev.1.0 without power at all, no led if adapter ac connected. My friend gave me after he broken the pin of the ADAPTER_ID of the cable. I thought I need to change only the part (DC POWERJACK PJ718 DC30100LD00) but after reassembled all the laptop boot fine and entered the OS, but the battery was not revealed . I thought was a software problem: no. The laptop shuts off after 20-30 minutes, even with the ac...
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