Question about HP ProBook 4730s Notebook
I also opened it and cleaned it out. I checked the connection and it was fine. My notebook is only a year old. Just outside the 1 year warranty. Please help me anyone.
Have it checked in service. Do not dismantle again. It could be a defective charger, but also a shortcircuit because you opened it
Posted on Apr 17, 2013
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Posted on Jan 02, 2017
Check your mains adapter plug that connects into the laptop power socket with a multi-meter, the voltage should be slightly higher than the voltage that is printed on the label on the bottom of the adapter. If the voltage is zero or way below the voltage that is printed on the label then the power adapter is faulty and needs to be replaced.
If the adapter is OK then connect it to the laptop and power it up, then look at the power/battery charging LED light and wriggle the power plug in the laptop's power socket. If the power/battery LED light flashes and in a certain position this LED light stays firm, then the power socket is either faulty or it has a dry solder joint where it is connected to the motherboard.
This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. I suggest you get a quote first.
Posted on Oct 18, 2009
This is due to a faulty DC to DC converter IC on the laptop mother board, this part is not replaceable, you must replace the mother board as the chip is part of the motherboard.
Posted on Dec 27, 2010
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