IPhone 4s stuck in recovery loop and laptop won't recognize it?

I just got an iPhone 4s from someone for free (it has water damage cuz she was drunk and dropped it in vodka) it's stuck in the recovery loop and yes I did find videos on how to get it out of recovery loop but it's impossible because I can't connect my iPhone to the computer.
It was connected way earlier today but it won't work now. Anyone know what I can do?

Try a new dongle

If you can't shut it down, then try running out the battery, and try restarting the computer and itunes, and reconnecting the cable

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