Basically when off, the laptop is in what could be termed an extremely low power standby state. The power button is not a power isolating button. Even though the laptop is off there is still power available at various point on the motherboard, until the battery is disconnected. If you decide to test the DC-In socket don’t forget to remove the main battery from the laptop, before doing anything else to the laptop so as to forestall any electrical problems from occurring due to tools slipping etc., physical damage to the components is a different matter -).
View from about 7:00 minutes into the video to see the removal process. Here’s a video that shows how to remove the DC-In jack from an Acer 5750 laptop.
I would have thought that uBreakiFix would have tested for this though, but you never know.įortunately it seems that the DC-In jack is not soldered onto the board for some Acer 5750 models, hopefully yours is one of them, but is actually a separate module that can be unplugged from the motherboard.
The centre pin in the socket may be loose and touching something when the plug is being moved.
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