Get two large packs of silica gel, credit card sized, and put on at the back of the case floor and one on top of a hard drive or at the front of the case. These things absorb moisture in the air so I guess they'll help do something to the computer. Not sure, but I know moisture is bad or a PC and those things absorb it. I've been using them for a while, I swap them out for new packs every few weeks.
Is this good? If so, try it.
Is this good? If so, try it.