You can always put the drive into an external enclosure and get the data off of it using a working PC.
Whenever a laptop is exposed to any liquid it's best to unplug it, remove the battery and let it try for at least 48 hours before attempting to turn it on.
Whenever a laptop is exposed to any liquid it's best to unplug it, remove the battery and let it try for at least 48 hours before attempting to turn it on.