I spilled some water on my laptop. After removing keyboard and letting it dry, it seems key 29 is stuck. When turned on, my ThinkPad T60p shows error 0210 **** Key 29. Which letter or key corresponds to it? How do I unstuck it? I tried using an external USB keyboard and it works, but all the time I get a continuous beep (I guess it relates to the stuck key). Thank you

Okay, I will now try to explain how to fix a laptop keyboard if you spill something on it (juice, coffe,.....). Problems caused by this are sticky keys, some keys don't work,.....

First of all, don't panic! Turn off your computer immediately, and pull the battery out. Unscrew a couple of screws that are holding the keyboard, and remove carefully keybord out of a laptop. Removing the keyboard can be different, depending on the laptop model. When you remove keyboard, fill a bowl with a fresh water with a few drops of a mild detergent for washing the dishes (3-5 drops per 1 liter of water). Bowl should be bigger than the keyboard, so you can submerge keybord in water. When you submerge the keyboard, gently press all the buttons with your palm, doing this you allow water to enter inside and clean the keyboard from inside. After pressing buttons for about 10 minutes, change the water for a fresh one, this time clean water, without the detergent. Do this with just clean water 2-3 times, and when you finish, shower the keyboard, just to make sure it is washed properly and the detergent is gone. DON'T USE THE HAIR DRYER TO DRY THE KEYBOARD, AND DON'T PUT IT ON DIRECT SUN. Turn the keyboard upside down and put it on a towel and let it dry. It should be dry in about 6-8 days on a room temperature, so be patient. DON'T EVER wash the keyboard with alcohol or something like that.

This is very good way to fix the keyboard, i solved a great number of keyboards using this method.