We have an Acer Aspire 5741G-6983 laptop that I paid over $600 for 1.5 years ago. It is a pretty good laptop with i5 processor and stand alone graphics. My son spilled milk on the keyboard and several of the keys stopped working. Nothing else is wrong, still works perfectly if you don't use words with those letters. The laptop seems to be designed to contain liquids in the keyboard. Applying alcohol didn't help. I tried heating the laptop with a hair dryer and only succeeded in melting a key. I used burn-in software to heat it up from the inside and let it bake for hours. Nada.
I've been happy with Acer laptops, they offer a lot of performance for the money, and have held up to fairly rough usage by teenagers. I'm not willing to trash this laptop yet.
I found a replacement keyboard on line and stupidly bought it without fully searching Amazon first. Google shopping indicated that Amazon would be $65. So when I found one for $25 + $10 shipping I pounced:
Later on I was searching for some instructions, since it is not obvious how to pry open the laptop, and found it on Amazon for $20, free shipping. Doh! $15 wasted.
Before doing any research, I charged in trying to take it apart, removed all the screws from the bottom, under the covers, etc. The keyboard is NOT coming out. OK time to do some web surfing.
Here is the laptop with the keyboard removed, and otherwise working just fine. In closeup you can see all the milk residue even under the keyboard. So i guess the keyboard has holes.
New keyboard is here!
PUshed the ribbon cable into the connector and pushed the black clamp strip back up to hold it. Snapped down the new keyboard. And powered up.
W000T! double w00t. The laptop is as good as new. The keyboard is clean and new and works perfectly. Here it is working and with words i typed on the screen as proof.