Originally Posted by
arrosen
....Do the power ports just not support the power requirements of a standard HP laptop? Or do the power ports just not work well on these planes?
Thanks
What's your laptop model?

There are hundreds of HP laptops; there is no
standard.
Sounds like it is a high power model which overloaded power sockets. Many airplane power sockets are limited to 75-90W. Some of the older LH 744s only support up to 60W.
Also, power consumption is greatly reduced if you are not charging. Removing battery usually does the trick.