Orange juice is by its nature quite acidic and therefore is likely to have shorted connection in keyboard and possibly motherboard.
First job would be to remove hard drive and connect to another machine, either directly or by using a cay to house the drive and connect via USB port, to get any important data / pics etc. off the drive and backed up safely.
Make and model? Blinking lights usually mean an error code of some sort - if yours is a HP then CPU / motherboard socket malfunction from here