read down and it talks about polarity
Well you have to compare the back of both
adapters. voltage must be the same, and
polarity of the plug must be the same. These
are the little cut up circles on the back, The 90 watts sounds fine. Of cource the connector must fit. It should work if all
these things are the same. Voltage and
polarity are very important. Google how
to check polarity on a adap...