My laptop cannot get started and power jack output is low
The very same problem as I asked before. Now yesterday I disassembled my laptop, removed the battery, plugged in the power cord and tested the output of the power jack. I first simply plugged the power cord into source and the tested output voltage was 19V. When I plugged in the adapter, I used the multimeter to test the voltage received from the power jack, and it was about 200 mV or so, far below the 19V which was needed. Now does it mean the problem was on the power jack? And if it is, how can I fix it myself?
6条评论
Where did you check for the voltage?
由 oldturkey03 完成的
I plugged the cord into the power jack and tested the output by touching the positive and negative part of the power jack with multimeter.
由 Xu Sun 完成的
If you checked the power adapter on the jack and it showed the right voltage, it is okay. Where did you check it on your computer after you plugged it in?
由 oldturkey03 完成的
I checked the read off on the power jack from inside the computer, right after I opened the cover, keyboard, etc. and find the jack.
由 Xu Sun 完成的
If you tested it on the contacts coming out of the DC jack, than it is the jack that is faulty, probably a faulty connection. I would start by replacing the jack.
由 oldturkey03 完成的
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