yoo since few days my laptop stopped working because I split beer on it like half and i was like fuck

first message cable connection failed , then after drying for 24 h icouldnt power it up so i went to the repair shop what they said that its damaged and i have to pay 300£ lol fuckers so i took it back . next day it started to work with win7 recovery tool / boot , no files missing data etc all good but i have to use on screen keyboard becase the laptop one seems like its disabled and i cant access bios at the start to enable my keyboard / any solution how to fix it?
the other problem is services.exe infected by trojan cant update my windows for better performance and antivirus wont delete this system file without copy of the original maybe idk help me any 1 IT specialist?