Hi @pupathaniel ,
As you know water and electronics and electricity are not a good mix.
The water causes corrosion and provides circuit paths for the electricity which were not in the laptop's's operating design and could damage the components.
First do not turn on your laptop and then you need to, with the laptop turned off, remove the battery as soon as possible from the laptop to minimize further damage.''
Then you need to dis-assemble the rest of it and clean all the affected parts using Isopropyl Alcohol 90%+ (available at most pharmacies) to remove all traces of corrosion and water. Do not use "rubbing alcohol" as in some cases this is only 70% or less, can contain scents and is not as effective. If you do check the label to verify the amount of IPA
Here is a link that describes the process.
Electronics Water Damage
As always with electronics, especially surface mounted PCBs be gentle when handling and especially when brushing away the corrosion. You do not want to remove any components from the board.
Hopefully after you have done all this it might possibly work correctly again.
Here is a link to the service manual for your laptop, taken from this HP webpage .
Scroll to p.62 to view the necessary pre-requisite steps and then the procedure to remove / replace the touchpad button board. If cleaning away any corrosion etc does not resolve the problem (look for damaged components near the button board as well) then perhaps the button board will have to be replaced. You'll find the part number on p.62 as well. Just search online using the part number only to find results for suppliers of the part.
If the touchpad also doesn't work after cleaning etc., (don't forget to unplug the keyboard / touchpad cable and clean the connectors) and there are no other components obviously affected or damaged then the touchpad may also have to be replaced. The touchpad is part of the keyboard assembly so you'll have to order a new keyboard. See the manual for the keyboard part number appropriate to your model laptop.
If this process seems too daunting, take your device to a reputable, professional laptop repair service experienced in liquid damage repair and ask for a quote for a repair. If you decide to do this, do it sooner than later.
Hopefully this is of some help.
Hi @pupathaniel ,
It sounds as if there is a problem with the left button contacts intermittently going s/c. (appearing to operate) Whether or not it will improve I cannot say. Time will tell one way or the other.
Have you also cleaned the ends of the cables that connect to the button board, just in case the water seeped into the cable connectors and started a problem there? You'll have to disconnect the cable from the button board to do this. Don't forget to check the cable connector on the board as well for any corrosion etc.
I assume that you used IPA or similar to clean the rest of the button board etc.
If the problem is still there it may be that the actual button contacts are the problem and most probably the only way to resolve it is to replace the button board.
See the answer I gave earlier on how to do this.
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