Quote Originally Posted by jb143 View Post
I would just use rubbing alcohol over Windex. It might be safe but windex also has ammonia, dye, and perfume that I wouldn't want to be left over.
To clarify, I've been using the Windex Multi-Surface with vinegar. It is clear. Is ammonia or vinegar bad for the contacts? The last time I used rubbing alcohol on a circuit board it left a residue that appeared greasy.