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I recently bought a faulty Acer S3-391, that I wanted to fix. The problem was with the iSSD board, as soon as you turned the PC on, the board started overheating, one of the chips was faulty, from measuring the heat, I guess it was either power regulating chip, or the ssd controller chip, the device turned off after about 30-60 seconds after that.
Since the price of this board is aproximatelly as high as an entire functional laptop, I dediced not to buy this one, but the similiar one, that had a mSATA slot and integrated wifi, otherwise it looked the same, connectors were also the same and it fitted the notebook nicely, everything went smooth, but I encountered a problem when I turned on the laptop. the battery wasnt charging.
I measured the voltages on the battery and of the three cells, each had 0.8V, which means about 2.4V together, missing 8V for total 11.1V as the battery specs say so.
I left it recharge over 24hours, but nothing happened, any ideas?