A1200 crashes a lot when it hasn't been on for very long

[TheBilgeRat]

I'd rather try using alcohol or proper contact cleaner first instead of rubber eraser. that edge connector might be gold plated, and eraser could be too abrasive.

These work a treat for connectors:

http://www.radioshack.com/product/index.jsp?productId=3998315&CAWELAID=459232631