i found a bunch of tutorials on youtube. maybe you can find a fitting one there. give it a shot.

All milk must be removed from computer. This might require getting a new keyboard to save the computer.

Do not tilt or flip laptop. If milk gets under keyboard onto motherboard, it is much harder to clean out.

Hi, 

We can look into the available repair options. For this info, please send me a PM with your Service Tag and I will get back to you. To send a PM, hover your mouse to my username and select the "Message" option. 

I used rubbing alcohol and q-tips... don't soak the q-tip and keep the laptop keyboard upside down or on its side at least. you don't need to soak the keyboard but rub the damp q-tip along the edge of the keys... spilt soda on my keyboard and the above method was told to me by geek squad and worked great.