Can we make some change on a power supply without switch on the pc and my 12cm fan can still running

Or only user power supply as modify so it can power on when i switch on power

i wan do like this because my modem and my wireless router is 24 hour on is very so i put a 12cm fan on it

but some time i lazy to turn on the slow pc because never use just wan my modem cool only

because most of the time i use laptop only

can some one have any solution for it please help me

thank here 1st

This post has been edited by skyleng: Feb 16 2008, 12:27 PM

I tot modem is meant to be hot?

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Added on February 16, 2008, 12:15 pmsuit or switch?

This post has been edited by -GILA-: Feb 16 2008, 12:15 PM

sry is my spelling error is switch

do u have any idea to do it

you just need a DC 12V adaptor for that purpose

where can i buy it and how much of the price and it can support how many fan lol

erm y not u jus pm ngbh..he got few server fan dat can direct connect to plug..no need to use adaptor or else..jus plug the fan to ur switch