HP laptop power adapter drip, can not charge, suspected to be bad.
I suggest you open the power adapter to see where it should be off the welding, contact is not on, welding just fine!
Drop the sound may be the computer hardware is a problem, it is recommended to get HP gold service shop to check
Drop the sound that the adapter has a problem.
You fall more likely to ring the parts of the adapter is broken, and burned, do not work the output voltage becomes high, your books ... ... may be into the factory.
1. has been used for more than a year, the adapter is not good repair, repair and then use a section may also be a problem.
2. Are you buying in Zhongguancun, Beijing? You have to go there to sell the original side of the second-hand adapter, that is second-hand but are very new. First with you to explain the adapter this thing is not refurbished, put you can rest assured to buy but do not pay attention before buying Buy (oem) is also on the cottage.
1, first try the adapter's power cord socket is solid, including the socket interface and adapter socket at both ends. Determine whether it is a drop of current caused by poor contact.
2, remove the laptop battery, connect the power to see if you can boot. If you can tell that the adapter is off the light, if you can not boot that adapter is broken.
3, if the adapter is broken, it is necessary to re-change a new can.