Not really. Your problem seems to be intermittent.
As a first try, I'd remove the modem card, clean the connector and reseat
it, making sure that it is completely seated in the MBD connector.
"This shows there is no problem with the modem card."
Re: Mackie D8B ...connector from the back of the console, wait a few seconds then plug it ... back in & power up. ... clean the contacts and reseat them. ... problem, replaced the cable, reseated the cards and it went away.- ... (rec.audio.pro)
Re: cleaning NES cartridges? ... that should clean it off also. ... >HI Corey, Thanks! ... I took a couple of carts apart again and wiped them ... >might have been transfered from the carts to the 72 pin connector.... (rec.games.video.nintendo)
VME backplane bus connector cleaning! ... Did you guys have any experience to clean the VME backplane bus... We have a ELMA backplane with 21 slots. ... (touched the connector side of cards and oil got sticked onto the ... (comp.os.vxworks)