[SOLVED] How long until isopropyl alcohol evaporates from components

Oct 22, 2018
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I was troubleshooting a friends pc because his gpu wasn't working. I took it out and it had smudges all over it. I used 91% alcohol to clean it. How long should I wait before plopping him back into the slot?
 
Solution
You should be able to visibly see if everything has evaporated.
Once it's exposed to air it should evaporate pretty rapidly, assuming it's had normal exposure to air.