we just had our computer rebuilt and a new graphics put in the card is:Geforce 2mx400 64 bit.........we have tried everything someone said it was settings for the monitor but how do we get to them if we cant see anything, how can we fix this problem, the monitor says going to sleep everytime we plug it in and it says no input signal... also we have tried another card and it also says the same thing we just bought the new monitor to go with the new comp we seriously need help what can we do???:sad: