Wont Power Up/Power Loop | Lenovo Yoga 3 Pro 1370 Notebook
I got this used because from family since it would not turn on.
I ordered a replacement motherboard to get it back up and running.
After putting everything back together for the first time, it turned on to the splash screen. For a few seconds it was loading then artifacts showed up on the entire screen. I understood probably that I hadn’t plugged in the screen properly into the motherboard. The power button did nothing after pressing it, then holding it after so I unplugged the battery (which I honestly think is what caused this issue im having now aka shorted the board again).
I took it all apart and put it back together again.
This time, the computer wont turn on. I re did everything 3+ times more just to make sure, but nothing. I saw on another forum that the “MB ribbon” may be improperly plugged so I fitted
Now when I plug it in (with and without the battery attached), it turns on for a second with the amber charging light blinking (if battery attached and no light if no battery is attached).
The power status light blinks once every few seconds for a second or two. The keyboard lights up and the CPU fan turns on then promptly turns off again afterwards completely dead until it’s next power cycle in a few seconds.
Ive read somewhere else that the charging brick may be faulty and I should find a new one.
Ive tried power cycling, reconnecting components, plugging in battery and turning on/plugging out battery with charger connected and turning on.
I’m completely lost and im super frustrated at this point after coming so close to fixing the issue.
I can upload a video if that helps at all.
Any help is appreciated. Thank you.
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