I would look for a service manual pdf . You will most likely recognize the parts you cleaned . Chances are you can look up the parts . Im guessing you can buy the parts on ebay or amazon . Can even check the Lenovo site . This makes me think back to when i spilled some angry orchard green apple cider on my t 420 . I tripped out . Turned it off right away . Then proceeded to pull a key of carefully . Got so lucky it was contained just under the keys . Once it dried , sticky keys . 😑 . I was lucky though . I was able to pull off keys and clean with alcohol . Lol but till this day one or two sill stick a lol . I feel like you got this . If you could do what you have already done . Then you can fix this to . <| sep |> Standard 2 row or Pilsner malt should have no problem converting 1312 corn , as long as you keep your temperature low . Check out the saccharification power in degrees Lintner and use that to figure out what you want to do .