On 11 Aug 2009 at 11:23, e.stiebler wrote: > Hi all, > so, after all this cleaning of contacts on old computers, is there > anything really good to put on the contact surface to protect it ? > Grease/Lubricants/etc. ? Have a look at the CAIG DeOxIt cleaner-lubricants. Pick one that fits your wallet and requirements. It's all good stuff. http://www.caig.com/ --Chuck