Help disable faulty keyboard key PC

Well, if you spilled water on your keyboard, you shouldn't look too far for the cause, but now it might be too late; it must be filled with short circuits.

What you can do is connect another keyboard and disable the built-in one, but you won't be able to keep using it like this; it will affect other circuits until the day it won't start anymore. So you need to leave it turned off for a good while, maybe go see a repair technician, or use the warranty if you are still within the timeframe and if they cover such cases.

Hmm... tomorrow I'm going to see a repairman, but I'm afraid of losing all my saved files, so I'm wondering if it's better to leave the computer on and transfer all the files to an external hard drive... plus, with the heat my laptop is giving off (it's old, it's 4 years old), the liquid should evaporate normally?

I'm sure I don't want to be stuck in this situation with a laptop using a USB keyboard...
In your opinion, should I rather turn it off, open it a little (just the plastic covers underneath the laptop) and remove the battery? That way, would I have less risk of it burning up due to a short circuit?

A possible solution is also to change the built-in keyboard for a new one, I've seen that on forums, but it seems pointless to invest in the laptop if it's heading for disaster...

I'm currently scanning my computer to see if any viruses are lurking, but I think it's pointless...

I tried to disable the keyboard, but it's not easy with the keys malfunctioning, and then it seems that Windows automatically reinstalls it after a restart (I checked other forums that mention it).

Don't worry about your files, if the water doesn't reach the hard drive there shouldn't be a problem, you'll just have to transfer it to your new computer if you buy another one, but anyway there are plenty of other ways to recover your data even if the hard drive fails.

You need to turn it off and remove the battery, let it dry, but given how long it's been since it happened, it probably won't make much difference, just leave it off until you see the repair technician to avoid making things worse...

Thank you! Yes, it's true about the files; I could still recover them, fortunately :)

I went to see the computer repairman; he suggested changing the keyboard because if the computer turns on and works, then it's normally just the keyboard that's malfunctioning.
He is offering me a keyboard for €57 (ordered online) and around €20 for labor for 15 minutes of work.

I want to use my liability insurance because I am not responsible for the damage, but rather a third party (a friend). Do you think it's a good idea to go through the repairman, or should I rather buy a keyboard online for €30 and replace it myself? (http://www.note-x.com/clavier-pc-portable-hp-compaq/712-clavier-pour-hp-dv7-dv7-1000-dv7-1000ef-dv7-1007ef-dv7-1008ef-.html)

It's not up to me to choose for you, but if you feel qualified to do it, then go ahead... On the insurance side, I'm still quite poorly informed myself, so maybe if someone else comes by here...