You can try cleaning the keyboard but the keyboard has to be removed first before you attempt
to clean it. That hopefully will work, however please be aware that if the wine has gotten between the keyboard membrane then it could cause the keyboard to type other characters not assigned to them or others as well
own when you reinstall the keyboard.
To clean the keyboard first we have to remove it. Turn the laptop
off and close the lid, remove any AC power that's
connected. Turn the laptop over and then take out the battery.
In the battery compartment remove the 2 screws holding the keyboard bezel down that are circled in the picture below. (the keyboard bezel is thin piece
that runs the length of the laptop above the keyboard)
When the screws are removed turn the laptop back over, open the lid and carefully lift up the keyboard bezel and remove it from the laptop like in the picture below.
Next you have revmove
the three screws securing the keyboard in place like in next picture.
Lift up the top side of the keyboard and rest it on the palm rest/touchpad. Be very careful as the keyboard is still connected to the motherboard like in this picture below.
Now you have to remove the keyboard. In order to remove the keyboard you'll have to unlock the connector and release the cable.
Look at the next picture and lift up the right side of the locking tab so it opens up at a 90 degree angle as shown and carefully pull away the ribbon cable
Lift the keyboard away from the laptop and then get a clean, warm, damp cloth and start to wipe the top of the keyboard. Don't try to remove the keys as you can damage the cradles and also they are very hard to put back on.
Keep on rinsing the cloth with clean warm water and wring it out a bit. Keep on repeating this until the keys release and become springy again.
Once you are happy with keyboard just reinstall
the keyboard by reversing the steps above.
When you have re-assembled the laptop turn it on and open a notepad or text document and see if the keyboard is typing all the correct characters for the printed symbol. If some are not working or are typing multiple characterst then you will need to replace the keyboard. Click on the blue link below for an idea.http://shop.ebay.com/?_from=R40&_trksid=p5197.m570.l1313&_nkw=Toshiba+Satellite+L645+keyboard&_sacat=See-All-Categories&clk_rvr_id=242175125553
Hope this helps, good luck.