Hi @georgecostanza ,
The impurities in the water causes corrosion and provides circuit paths for the electricity which were not in the laptop’s operating design and could damage the components. The corrosion starts immediately and is ongoing until it is completely cleaned away.
Using rice to solve the problem is a myth. Rice doesn’t fix the problems caused by corrosion Rice is for dinner, not repair
First do not try to charge or to turn on your laptop and then remove the battery as soon as possible from the laptop to minimize any further damage.
Then you need to dis-assemble the laptop and clean all the affected parts, especially around the keyboard controller on the motherboard, using Isopropyl Alcohol 99%+ (available at electronics parts stores) to remove all traces of corrosion and water. If possible do not use "rubbing alcohol" as in some cases this is only 70% IPA or less, can contain additives and is not as effective. If you do have to use it check the label to verify the amount of IPA. The higher the percentage of IPA the better
Here is a link that describes the process. Electronics Water Damage
As always with electronics, especially surface mounted pcb be gentle when handling and especially when brushing away the corrosion. You do not want to remove any components from the board. Remove the shields that may be covering some components as the water may have got in there. The ends of any flex cables and their connectors need to be cleaned as well
Hopefully after you have done all this the laptop might possibly work correctly again. You may find that there are still problems with the keyboard and usually it is easier to replace the keyboard because trying to fix it may cause more problems than what you had.
Here is a link to the Ifixit Huawei Matebook X Teardown guide which may be of some help.
If this process seems too daunting, take your laptop 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.
Might be a good idea to backup your data in case the laptop fails entirely at some point. At least your data will be safe. Just a thought.
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