Il 31/12/2010 21.21, leonardo valencia ha scritto:
i think it might be due to ground problem , you may measure with a
multimeter in function ohmeter the resistance between power and ground
between the two cards
if you have for exmaple infinite value for the good card and only 100k ohms
on defective it might be the issue.
Mhhhh, do you know wich points to test?
the possiblity is optical check corrosion and clean some of it , i would not
remove it all because corrosion is also a protection against more corrosion
!
I can't see anything strange, i also used a contact cleaner but nothing
changed.
Thank you.
mau
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