G'day, The cord on my 65 watt brick broke at the exit to the HP laptop. I have the same 18.5 voltage brick from another computer but it is 120 W and twice the amperage. Can the HP computer take the higher current? I have an adapter plug to go between the to to match pin size, but realize it won't change the current. Am I safe to use???
Yes. Devices only use as much as they need.
The voltage needs to be within 5% or so and the polarity needs to be the same though.